| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] [modal v] [verb] [pers pn] | 28 |
|
| 2 | [pron] [verb] could [verb] [pers pn] | 20 |
|
| 3 | they [verb] could [verb] [pron] | 6 |
|
