| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] be [verb] [prep] a | 722 |
|
| 2 | [not/n't] [verb] [prep] [be] a | 466 |
|
| 3 | [not/n't] be [verb] [prep] [be] | 125 |
|
| 4 | be [verb] [prep] [be] a | 116 |
|
