| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they do n't [vb infin] back | 24 |
|
| 2 | they do n't [verb] back | 21 |
|
| 3 | they do n't come back | 13 |
|
| 4 | they do n't come back | 12 |
|
