| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [to-vb] [prep] [adj] | 69 |
|
| 2 | used [to-vb] [prep] [adj] | 69 |
|
| 3 | used [to-vb] for [adj] | 14 |
|
| 4 | used [to-vb] for [adj] | 7 |
|
| 5 | [modal v] [to-vb] for [adj] | 7 |
|
| 6 | used [verb] for [adj] | 7 |
|
