| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [verb] [prep] be | 303 |
|
| 2 | [vb mod] [verb] [prep] be an | 115 |
|
| 3 | [vb mod] not [verb] [prep] an | 87 |
|
| 4 | not [verb] [prep] be an | 54 |
|
