| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used to [be] [vb pp] [conj] [pron] | 9 |
|
| 2 | used to [be] [vb pp] [prep] [pron] | 7 |
|
| 3 | used to [be] [vb pp] [prep] [pron] | 7 |
|
