| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used to be [det] | 66 |
|
| 2 | used to be all | 24 |
|
| 3 | used to be such | 11 |
|
| 4 | used to be some | 10 |
|
| 5 | used to be another | 5 |
|
| 6 | used to be that | 5 |
|
