| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of what used to [be] [verb] | 10 |
|
| 2 | of [Wh det] used to be [verb] | 10 |
|
| 3 | of [Wh det] used to be [verb] | 10 |
|
| 4 | of [Wh det] used to [be] [vb pp] | 10 |
|
| 5 | of [Wh det] used to [be] [verb] | 10 |
|
| 6 | of [Wh det] used to [be] [verb] | 10 |
|
| 7 | of [Wh det] used to [be] called | 7 |
|
| 8 | of [Wh det] used to [be] call | 7 |
|
