| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [be] [verb] for a | 62 |
|
| 2 | [be] [verb] for a while | 51 |
|
| 3 | not [verb] for a while | 14 |
|
| 4 | not [be] for a while | 7 |
|
