| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [pron] | 100947 |
|
| 2 | [modal v] [vb infin] [pron] | 100947 |
|
| 3 | could [verb] [pron] | 12219 |
|
| 4 | could [vb infin] [pron] | 12148 |
|
