| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [Wh det] used to be | 22 |
|
| 2 | [noun sg] [Wh det] used to [be] | 22 |
|
| 3 | [noun sg] [Wh det] used to be | 22 |
|
| 4 | [noun sg] [Wh det] used to [be] | 22 |
|
| 5 | [noun sg] which used to [be] | 21 |
|
