| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could [verb] | 3902 |
|
| 2 | [vb base] [pron] could [verb] | 1157 |
|
| 3 | [verb] [vb base] [pron] [verb] | 757 |
|
| 4 | [verb] [vb base] [pron] could | 10 |
|
