| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a [noun] [noun] | 2434 |
|
| 2 | [modal v] not [verb] a [noun] | 1107 |
|
| 3 | not [verb] a [noun] [noun] | 545 |
|
| 4 | [modal v] not [verb] [noun] [noun] | 350 |
|
