| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb mod] [verb] [verb] | 4717 |
|
| 2 | they [modal v] [verb] [verb] | 4717 |
|
| 3 | [pron] could [verb] [verb] | 4578 |
|
| 4 | [pers pn] could [verb] [verb] | 3992 |
|
| 5 | they could [verb] [verb] | 485 |
|
| 6 | they could [verb] [verb] | 465 |
|
