| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] [pron] | 112497 |
|
| 2 | could [verb] [pron] | 12219 |
|
| 3 | [conj] could [verb] | 2363 |
|
| 4 | [conj] could [pron] | 370 |
|
