| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [verb] to | 5660 |
|
| 2 | [modal v] [adv] [vb infin] to | 5562 |
|
| 3 | [modal v] [adv] have [prep] | 452 |
|
| 4 | [modal v] [adv] have to | 362 |
|
