| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [det] [noun] [to-vb] | 674 |
|
| 2 | [modal v] [verb] a [noun] [to-vb] | 646 |
|
| 3 | [modal v] [verb] a [det] [noun] | 348 |
|
| 4 | [verb] a [det] [noun] [to-vb] | 202 |
|
