| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] used to [be] | 60 |
|
| 2 | [adj] used to be | 60 |
|
| 3 | [det] used to [be] | 49 |
|
| 4 | this used to [be] | 28 |
|
| 5 | this used to [be] | 28 |
|
| 6 | that used to [be] | 15 |
|
| 7 | that used to [be] | 15 |
|
| 8 | [num] used to [be] | 8 |
|
