| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [noun] used to [be] | 11 |
|
| 2 | [Wh det] [noun] used to be | 11 |
|
| 3 | [Wh det] [noun] used to be | 11 |
|
| 4 | [Wh det] [noun] used to [be] | 11 |
|
| 5 | what [noun] used to [be] | 7 |
|
| 6 | [Wh det] [noun sg] used to [be] | 6 |
|
