| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [modal v] [vb infin] | 586 |
|
| 2 | [not/n't] [verb] [modal v] [vb infin] | 73 |
|
| 3 | [be] [not/n't] [verb] [modal v] | 24 |
|
| 4 | [be] [not/n't] [modal v] [vb infin] | 7 |
|
