| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [pron] used to | 5 |
|
| 2 | the [pron] [vb mod] to | 5 |
|
| 3 | the [pron] [modal v] to | 5 |
|
| 4 | the [pron] used to | 5 |
|
