| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [vb pp] a [adj] | 501 |
|
| 2 | ai [not/n't] [vb pp] [adj] | 134 |
|
| 3 | ai [not/n't] [vb pp] a | 103 |
|
| 4 | ai [not/n't] a [adj] | 12 |
|
