| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] a [noun sg] can [not/n't] [verb] | 7 |
|
| 2 | such a [noun] can [not/n't] [verb] | 7 |
|
| 3 | [det] a [noun] can [not/n't] [vb infin] | 7 |
|
| 4 | [det] a [noun] can not [verb] | 7 |
|
