| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] a | 13712 |
|
| 2 | not have a | 2670 |
|
| 3 | not [vb pp] a | 2224 |
|
| 4 | [adv] had a | 1248 |
|
| 5 | not had [art] | 549 |
|
| 6 | not had [art] | 549 |
|
| 7 | not had a | 376 |
|
