| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [conj] [verb] | 6532 |
|
| 2 | [vb infin] ahead [conj] [verb] | 83 |
|
| 3 | [modal v] [vb infin] ahead [conj] | 80 |
|
