| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [no cls] [pron] used to [be] | 32 |
|
| 2 | [no cls] [ex0] used to [be] | 19 |
|
| 3 | [no cls] there used to [be] | 19 |
|
| 4 | [no cls] there used to [be] | 19 |
|
| 5 | [no cls] [pers pn] used to [be] | 11 |
|
