| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] at [art] | 3827 |
|
| 2 | [modal v] [to-vb] [art] | 2154 |
|
| 3 | [modal v] [to-vb] at | 202 |
|
| 4 | [modal v] at [art] | 118 |
|
