| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [adv] [verb] [modal v] | 6 |
|
| 2 | [modal v] n't [adv] [verb] [modal v] | 6 |
|
| 3 | [modal v] [not/n't] [adv] [vb infin] [modal v] | 6 |
|
| 4 | [modal v] [not/n't] [adv] [verb] [vb mod] | 6 |
|
| 5 | [vb mod] [not/n't] [adv] [verb] [modal v] | 6 |
|
