| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [verb] a | 10526 |
|
| 2 | [verb] [pron] could [verb] | 3902 |
|
| 3 | [pron] could [verb] a | 2934 |
|
| 4 | [verb] could [verb] a | 24 |
|
