| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [not/n't] [vb infin] at all | 33 |
|
| 2 | can [not/n't] [verb] at all | 19 |
|
| 3 | can not [verb] at all | 19 |
|
| 4 | ca [not/n't] [verb] at all | 15 |
|
| 5 | can n't [verb] at all | 15 |
|
