| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [not/n't] [adv] a | 2197 |
|
| 2 | [Wh pn] [be] [not/n't] [adv] | 406 |
|
| 3 | [Wh pn] [be] [adv] a | 314 |
|
| 4 | [Wh pn] [be] [not/n't] a | 130 |
|
