| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] used to [be] [adj] | 14 |
|
| 2 | [adv] used [prep] be [adj] | 14 |
|
| 3 | never used [prep] [be] [adj] | 6 |
|
| 4 | [adv] used [prep] [be] able | 5 |
|
