| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [to-vb] and [verb] | 267 |
|
| 2 | used [to-vb] [conj] [verb] | 213 |
|
| 3 | used [to-vb] [coord] [verb] | 206 |
|
| 4 | used [verb] and [verb] | 200 |
|
| 5 | used [to-vb] and [verb] | 200 |
|
