| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [pron] could | 771 |
|
| 2 | [to-vb] [adv] [pron] [vb mod] | 730 |
|
| 3 | [to-vb] [adv] [pron] [modal v] | 730 |
|
| 4 | [to-vb] [adv] [pron] could | 123 |
|
