| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] used to [be] [adj] [to-vb] | 5 |
|
| 2 | [adv] used [prep] [be] able [to-vb] | 5 |
|
| 3 | [adv] used [prep] be [adj] [to-vb] | 5 |
|
