| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [ex0] used to be | 25 |
|
| 2 | [subord] [ex0] used to be | 25 |
|
| 3 | [subord] there used to be | 25 |
|
| 4 | than [ex0] used to be | 9 |
|
| 5 | as [ex0] used to be | 6 |
|
