| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] and [vb infin] | 8589 |
|
| 2 | [modal v] [vb infin] and | 7077 |
|
| 3 | [modal v] [vb infin] [vb infin] | 1098 |
|
