| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [det] [modal v] [be] [art] | 19 |
|
| 2 | [adv] [verb] [det] [modal v] [be] a | 16 |
|
| 3 | not [verb] [adj] [modal v] [be] a | 13 |
|
