diff --git a/README.md b/README.md
index 5381ee5..879e37a 100644
--- a/README.md
+++ b/README.md
@@ -3,79 +3,122 @@ A parser library for System Verilog.
 
 ## Implementation Status
 
-| Category                          | Module                                | Type | Parser | Test |
-| --------------------------------- | ------------------------------------- | ---- | ------ | ---- |
-| source_text                       | library_source_text                   | x    | x      | x    |
-| source_text                       | system_verilog_source_text            | x    | x      |      |
-| source_text                       | module_parameters_and_ports           | x    | x      |      |
-| source_text                       | module_items                          | x    | x      |      |
-| source_text                       | configuration_source_text             | x    | x      |      |
-| source_text                       | interface_items                       | x    | x      |      |
-| source_text                       | program_items                         | x    | x      |      |
-| source_text                       | checker_items                         | x    | x      |      |
-| source_text                       | class_items                           | x    | x      |      |
-| source_text                       | constraints                           | x    | x      |      |
-| source_text                       | package_items                         | x    | x      |      |
-| declaration                       | module_parameter_declarations         | x    | x      |      |
-| declaration                       | port_declarations                     | x    | x      |      |
-| declaration                       | type_declarations                     | x    | x      |      |
-| declaration                       | net_and_variable_types                | x    | x      |      |
-| declaration                       | strengths                             | x    | x      | x    |
-| declaration                       | delays                                | x    | x      |      |
-| declaration                       | declaration_lists                     | x    | x      |      |
-| declaration                       | declaration_assignments               | x    | x      |      |
-| declaration                       | declaration_ranges                    | x    | x      |      |
-| declaration                       | function_declarations                 | x    | x      |      |
-| declaration                       | task_declarations                     | x    | x      |      |
-| declaration                       | block_item_declarations               | x    | x      |      |
-| declaration                       | interface_declarations                | x    | x      |      |
-| declaration                       | assertion_declarations                | x    | x      |      |
-| declaration                       | covergroup_declarations               | x    | x      |      |
-| declaration                       | let_declarations                      | x    | x      |      |
-| primitive_instance                | primitive_instantiation_and_instances | x    | x      |      |
-| primitive_instance                | primitive_strengths                   | x    | x      | x    |
-| primitive_instance                | primitive_terminals                   | x    | x      |      |
-| primitive_instance                | primitive_gate_and_switch_types       | x    | x      | x    |
-| instantiations                    | module_instantiation                  | x    | x      |      |
-| instantiations                    | interface_instantiation               | x    | x      |      |
-| instantiations                    | program_instantiation                 | x    | x      |      |
-| instantiations                    | checker_instantiation                 | x    | x      |      |
-| instantiations                    | generated_instantiation               | x    | x      |      |
-| udp_declaration_and_instantiation | udp_declaration                       | x    | x      |      |
-| udp_declaration_and_instantiation | udp_ports                             | x    | x      |      |
-| udp_declaration_and_instantiation | udp_body                              | x    | x      |      |
-| udp_declaration_and_instantiation | udp_instantiation                     | x    | x      |      |
-| behavioral_statements             | continuous_assignment_and_net_alias   | x    | x      |      |
-| behavioral_statements             | procedural_blocks_and_assignments     | x    | x      |      |
-| behavioral_statements             | parallel_and_sequential_blocks        | x    | x      |      |
-| behavioral_statements             | statements                            | x    | x      |      |
-| behavioral_statements             | timing_control_statements             | x    | x      |      |
-| behavioral_statements             | conditional_statements                | x    | x      |      |
-| behavioral_statements             | case_statements                       | x    | x      |      |
-| behavioral_statements             | patterns                              | x    | x      |      |
-| behavioral_statements             | looping_statements                    | x    | x      |      |
-| behavioral_statements             | subroutine_call_statements            | x    | x      |      |
-| behavioral_statements             | assertion_statements                  | x    | x      |      |
-| behavioral_statements             | clocking_block                        | x    | x      |      |
-| behavioral_statements             | randsequence                          | x    | x      |      |
-| specify_section                   | specify_block_declaration             | x    | x      |      |
-| specify_section                   | specify_path_declarations             | x    | x      |      |
-| specify_section                   | specify_block_terminals               | x    | x      |      |
-| specify_section                   | specify_path_delays                   | x    | x      |      |
-| specify_section                   | system_timing_check_commands          | x    | x      |      |
-| specify_section                   | system_timing_check_command_arguments | x    | x      |      |
-| specify_section                   | system_timing_check_event_definitions | x    | x      |      |
-| expressions                       | concatenations                        | x    | x      |      |
-| expressions                       | subroutine_calls                      | x    | x      |      |
-| expressions                       | expressions                           | x    | x      |      |
-| expressions                       | primaries                             | x    | x      |      |
-| expressions                       | expression_leftside_values            | x    | x      | x    |
-| expressions                       | operators                             | x    | x      | x    |
-| expressions                       | numbers                               | x    | x      | x    |
-| expressions                       | strings                               | x    | x      | x    |
-| general                           | attributes                            | x    | x      | x    |
-| general                           | comments                              | x    | x      | x    |
-| general                           | identifiers                           | x    | x      | x    |
+| Category                          | Module                                | SyntexTree | Parser |
+| --------------------------------- | ------------------------------------- | ---------- | ------ |
+| source_text                       | library_source_text                   | x          | x      |
+| source_text                       | system_verilog_source_text            | x          | x      |
+| source_text                       | module_parameters_and_ports           | x          | x      |
+| source_text                       | module_items                          | x          | x      |
+| source_text                       | configuration_source_text             | x          | x      |
+| source_text                       | interface_items                       | x          | x      |
+| source_text                       | program_items                         | x          | x      |
+| source_text                       | checker_items                         | x          | x      |
+| source_text                       | class_items                           | x          | x      |
+| source_text                       | constraints                           | x          | x      |
+| source_text                       | package_items                         | x          | x      |
+| declaration                       | module_parameter_declarations         | x          | x      |
+| declaration                       | port_declarations                     | x          | x      |
+| declaration                       | type_declarations                     | x          | x      |
+| declaration                       | net_and_variable_types                | x          | x      |
+| declaration                       | strengths                             | x          | x      |
+| declaration                       | delays                                | x          | x      |
+| declaration                       | declaration_lists                     | x          | x      |
+| declaration                       | declaration_assignments               | x          | x      |
+| declaration                       | declaration_ranges                    | x          | x      |
+| declaration                       | function_declarations                 | x          | x      |
+| declaration                       | task_declarations                     | x          | x      |
+| declaration                       | block_item_declarations               | x          | x      |
+| declaration                       | interface_declarations                | x          | x      |
+| declaration                       | assertion_declarations                | x          | x      |
+| declaration                       | covergroup_declarations               | x          | x      |
+| declaration                       | let_declarations                      | x          | x      |
+| primitive_instance                | primitive_instantiation_and_instances | x          | x      |
+| primitive_instance                | primitive_strengths                   | x          | x      |
+| primitive_instance                | primitive_terminals                   | x          | x      |
+| primitive_instance                | primitive_gate_and_switch_types       | x          | x      |
+| instantiations                    | module_instantiation                  | x          | x      |
+| instantiations                    | interface_instantiation               | x          | x      |
+| instantiations                    | program_instantiation                 | x          | x      |
+| instantiations                    | checker_instantiation                 | x          | x      |
+| instantiations                    | generated_instantiation               | x          | x      |
+| udp_declaration_and_instantiation | udp_declaration                       | x          | x      |
+| udp_declaration_and_instantiation | udp_ports                             | x          | x      |
+| udp_declaration_and_instantiation | udp_body                              | x          | x      |
+| udp_declaration_and_instantiation | udp_instantiation                     | x          | x      |
+| behavioral_statements             | continuous_assignment_and_net_alias   | x          | x      |
+| behavioral_statements             | procedural_blocks_and_assignments     | x          | x      |
+| behavioral_statements             | parallel_and_sequential_blocks        | x          | x      |
+| behavioral_statements             | statements                            | x          | x      |
+| behavioral_statements             | timing_control_statements             | x          | x      |
+| behavioral_statements             | conditional_statements                | x          | x      |
+| behavioral_statements             | case_statements                       | x          | x      |
+| behavioral_statements             | patterns                              | x          | x      |
+| behavioral_statements             | looping_statements                    | x          | x      |
+| behavioral_statements             | subroutine_call_statements            | x          | x      |
+| behavioral_statements             | assertion_statements                  | x          | x      |
+| behavioral_statements             | clocking_block                        | x          | x      |
+| behavioral_statements             | randsequence                          | x          | x      |
+| specify_section                   | specify_block_declaration             | x          | x      |
+| specify_section                   | specify_path_declarations             | x          | x      |
+| specify_section                   | specify_block_terminals               | x          | x      |
+| specify_section                   | specify_path_delays                   | x          | x      |
+| specify_section                   | system_timing_check_commands          | x          | x      |
+| specify_section                   | system_timing_check_command_arguments | x          | x      |
+| specify_section                   | system_timing_check_event_definitions | x          | x      |
+| expressions                       | concatenations                        | x          | x      |
+| expressions                       | subroutine_calls                      | x          | x      |
+| expressions                       | expressions                           | x          | x      |
+| expressions                       | primaries                             | x          | x      |
+| expressions                       | expression_leftside_values            | x          | x      |
+| expressions                       | operators                             | x          | x      |
+| expressions                       | numbers                               | x          | x      |
+| expressions                       | strings                               | x          | x      |
+| general                           | attributes                            | x          | x      |
+| general                           | comments                              | x          | x      |
+| general                           | identifiers                           | x          | x      |
+
+# Test Status
+
+| Clause | Test |
+| ------ | ---- |
+| 3      | x    |
+| 4      | x    |
+| 5      | x    |
+| 6      |      |
+| 7      |      |
+| 8      |      |
+| 9      |      |
+| 10     |      |
+| 11     |      |
+| 12     |      |
+| 13     |      |
+| 14     |      |
+| 15     |      |
+| 16     |      |
+| 17     |      |
+| 18     |      |
+| 19     |      |
+| 20     |      |
+| 21     |      |
+| 22     |      |
+| 23     |      |
+| 24     |      |
+| 25     |      |
+| 26     |      |
+| 27     |      |
+| 28     |      |
+| 29     |      |
+| 30     |      |
+| 31     |      |
+| 32     |      |
+| 33     |      |
+| 34     |      |
+| 35     |      |
+| 36     |      |
+| 37     |      |
+| 38     |      |
+| 39     |      |
+| 40     |      |
 
 ## Missing entry of specification
 
@@ -83,6 +126,3 @@ A parser library for System Verilog.
 * formal_identifier -> ignore
 * covergroup_variable_identifier -> ignore
 * array_identifier -> ignore
-
-## Test
-6.25