| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ca [not/n't] [adv] [vb infin] back | 8 |
|
| 2 | ca n't [adv] [vb infin] back | 8 |
|
| 3 | ca not [adv] [vb infin] back | 8 |
|
