| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] a [noun sg] | 19426 |
|
| 2 | [vb infin] a [noun sg] at | 1019 |
|
| 3 | [modal v] [vb infin] [noun sg] at | 410 |
|
