| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] used to [be] | 10 |
|
| 2 | [subord] used to [be] | 10 |
|
| 3 | [subord] used to be | 10 |
|
| 4 | [subord] used to be | 10 |
|
| 5 | [subord] used to [be] | 10 |
|
| 6 | than used to [be] | 6 |
|
