| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [modal v] not [vb infin] | 44 |
|
| 2 | [is] [verb] [modal v] [adv] [vb infin] | 36 |
|
| 3 | [is] [verb] [modal v] not [verb] | 9 |
|
