| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [verb] a | 1628 |
|
| 2 | [not/n't] [vb infin] [verb] a | 1241 |
|
| 3 | [not/n't] have [verb] [art] | 1027 |
|
| 4 | [adv] have [verb] a | 891 |
|
| 5 | [not/n't] have [verb] a | 452 |
|
