| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [to-vb] | 39777 |
|
| 2 | [modal v] [verb] a | 37973 |
|
| 3 | [verb] [to-vb] a | 30301 |
|
| 4 | [modal v] [to-vb] a | 892 |
|
