| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [Wh det] used to be [vb pp] | 5 |
|
| 2 | be [Wh det] used to be [vb pp] | 5 |
|
| 3 | [be] what used to be [vb pp] | 5 |
|
