| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [pron] [modal v] [verb] [adv] | 475 |
|
| 2 | [vb infin] [pron] [vb mod] [verb] [adv] | 475 |
|
| 3 | [verb] [pron] could [verb] [adv] | 471 |
|
| 4 | [vb infin] [pron] could [verb] [adv] | 67 |
|
