| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] used [prep] be [verb] | 12 |
|
| 2 | [adv] used to [be] [verb] | 12 |
|
| 3 | [adv] used [prep] [be] [verb] | 11 |
|
| 4 | [adv] used [prep] [be] [vb pp] | 10 |
|
