| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] a [noun] | 10380 |
|
| 2 | not have a [noun] | 1911 |
|
| 3 | not [vb pp] a [noun] | 1767 |
|
| 4 | [adv] had a [noun] | 888 |
|
| 5 | not had [art] [noun] | 391 |
|
