| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [verb] of | 530 |
|
| 2 | [vb mod] [verb] [vb infin] [prep] | 92 |
|
| 3 | [modal v] [verb] [vb infin] of | 10 |
|
