| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] [art] | 14862 |
|
| 2 | [modal v] [vb infin] or [verb] | 817 |
|
| 3 | [vb infin] or [verb] [art] | 360 |
|
| 4 | [modal v] [vb infin] or [art] | 24 |
|
