| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [prep] [verb] | 2497 |
|
| 2 | [modal v] [vb infin] us [verb] | 824 |
|
| 3 | [modal v] [vb infin] us [prep] | 636 |
|
| 4 | [vb infin] us [prep] [verb] | 76 |
|
