| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if they [modal v] [vb infin] | 245 |
|
| 2 | [verb] they [modal v] [vb infin] it | 130 |
|
| 3 | if they [modal v] [vb infin] it | 64 |
|
