| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [verb] | 4234 |
|
| 2 | they could [vb infin] | 4177 |
|
| 3 | [pron] could say | 861 |
|
| 4 | [pers pn] could say | 764 |
|
| 5 | they [vb mod] say | 460 |
|
| 6 | they [modal v] say | 460 |
|
| 7 | they could say | 26 |
|
| 8 | they could say | 24 |
|
| 9 | they could say | 24 |
|
