| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] a [noun] | 20047 |
|
| 2 | [modal v] [vb infin] [noun] [noun] | 6513 |
|
| 3 | [vb infin] a [noun] [noun] | 4302 |
|
| 4 | [modal v] a [noun] [noun] | 57 |
|
