| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [verb] | 86867 |
|
| 2 | [vb mod] [verb] [to-vb] | 39777 |
|
| 3 | [vb mod] [verb] have | 3951 |
|
| 4 | [modal v] [verb] to have | 1413 |
|
