| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [prep] [art] | 1837 |
|
| 2 | which [vb mod] [verb] [prep] [art] | 919 |
|
| 3 | which [modal v] [verb] [prep] [art] | 919 |
|
| 4 | which could [verb] [prep] [art] | 101 |
|
