| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] | 45395 |
|
| 2 | [pers pn] could [verb] | 40222 |
|
| 3 | they [modal v] [verb] | 34151 |
|
| 4 | they [vb mod] [verb] | 34151 |
|
| 5 | they could [verb] | 4343 |
|
| 6 | they could [verb] | 4234 |
|
