| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] there used to | 6 |
|
| 2 | [pers pn] [verb] there used to | 6 |
|
| 3 | [verb] there used to be | 11 |
|
| 4 | [verb] there used to [be] | 11 |
|
| 5 | [verb] there used to be | 11 |
|
| 6 | [verb] there used to [be] | 11 |
|
