| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they do [not/n't] come back | 13 |
|
| 2 | they do [not/n't] come back | 13 |
|
| 3 | they do n't come back | 12 |
|
| 4 | they do [not/n't] come back | 11 |
|
