| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't they | 1685 |
|
| 2 | [vb base] n't they | 1472 |
|
| 3 | do n't they | 1152 |
|
| 4 | [vb past] n't they | 538 |
|
| 5 | did n't they | 500 |
|
| 6 | have n't they | 362 |
|
| 7 | have n't they | 319 |
|
| 8 | had n't they | 38 |
|
| 9 | [vb infin] n't they | 31 |
|
| 10 | do n't they | 29 |
|
