| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] [modal v] [vb infin] a | 522 |
|
| 2 | [modal v] [vb infin] at a | 266 |
|
| 3 | [indef pn] [modal v] [vb infin] at | 98 |
|
