| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [pron] used to | 68 |
|
| 2 | [unc] there [modal v] to | 22 |
|
| 3 | [unc] [ex0] used to | 20 |
|
| 4 | [unc] there used [prep] | 20 |
|
| 5 | [unc] there used to | 20 |
|
