| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [conj] | 4317 |
|
| 2 | [vb mod] [subord] | 1976 |
|
| 3 | [vb mod] when | 82 |
|
| 4 | [modal v] when | 82 |
|
