| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they do n't they | 45 |
|
| 2 | they do n't they | 29 |
|
| 3 | they [vb base] n't they | 29 |
|
| 4 | they [vb past] n't they | 17 |
|
| 5 | they did n't they | 16 |
|
