| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] | 45395 |
|
| 2 | [be] [pron] [verb] | 24232 |
|
| 3 | [be] [pron] could | 135 |
|
| 4 | [be] could [verb] | 25 |
|
