| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] and [verb] | 16464 |
|
| 2 | and [modal v] [verb] | 10344 |
|
| 3 | [to-vb] [modal v] [verb] | 383 |
|
| 4 | [to-vb] and [modal v] | 236 |
|
