| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [not/n't] [vb infin] | 33548 |
|
| 2 | [not/n't] [vb infin] a | 10061 |
|
| 3 | can [vb infin] a | 6184 |
|
| 4 | can [not/n't] a | 14 |
|
