| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [Wh det] used to be | 28 |
|
| 2 | of [Wh det] used to [be] | 28 |
|
| 3 | of [Wh det] used to [be] | 28 |
|
| 4 | of what used to [be] | 28 |
|
| 5 | of [Wh det] used to be | 28 |
|
