| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [pron] | 590 |
|
| 2 | [pers pn] could [pron] | 252 |
|
| 3 | they [modal v] [pron] | 159 |
|
| 4 | they [vb mod] [pron] | 159 |
|
| 5 | they could [pron] | 25 |
|
| 6 | they could [pron] | 21 |
|
