| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] if [pron] [modal v] [vb infin] | 804 |
|
| 2 | [conj] [conj] they [modal v] [vb infin] | 401 |
|
| 3 | [conj] if they [modal v] [verb] | 60 |
|
