| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] to a | 1927 |
|
| 2 | which [modal v] [verb] a | 1048 |
|
| 3 | which [modal v] [verb] to | 789 |
|
| 4 | which [verb] to a | 328 |
|
