| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not | 79486 |
|
| 2 | [vb mod] not | 79486 |
|
| 3 | can [adv] | 47646 |
|
| 4 | can [not/n't] | 21765 |
|
| 5 | can not | 21687 |
|
| 6 | can not | 21687 |
|
