| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used [to-vb] to | 243 |
|
| 2 | [pron] used [verb] to | 243 |
|
| 3 | [pron] used to have [prep] | 26 |
|
| 4 | [pron] [modal v] to have to | 9 |
|
| 5 | [pron] used have to | 9 |
|
| 6 | [pron] [vb mod] to have to | 9 |
|
| 7 | [pron] used to have to | 9 |
|
