| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [to-vb] at the | 37 |
|
| 2 | [vb mod] to look at the | 9 |
|
| 3 | ought [to-vb] at the | 6 |
|
| 4 | [vb mod] to work at the | 5 |
|
