| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which used to be [adj] | 10 |
|
| 2 | which used to [be] [adj] | 10 |
|
| 3 | which used to [be] [adj] | 10 |
|
| 4 | which used to [be] [adj] | 10 |
|
