| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] used to | 6 |
|
| 2 | [art] [modal v] to | 6 |
|
| 3 | [art] used to | 6 |
|
| 4 | [art] [vb mod] to | 6 |
|
| 5 | the [modal v] to | 5 |
|
