| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pron] could [pers pn] | 30 |
|
| 2 | could [pron] [modal v] [pers pn] | 28 |
|
| 3 | could [pron] [vb mod] [pers pn] | 28 |
|
| 4 | could [pron] could [pron] | 27 |
|
| 5 | 27 |
|
