| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [prep] a | 7831 |
|
| 2 | this [modal v] [vb infin] [prep] | 1413 |
|
| 3 | this [modal v] [vb infin] a | 662 |
|
| 4 | this [vb infin] [prep] a | 5 |
|
