| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did n't they [vb infin] | 46 |
|
| 2 | [adv] [adv] did they [vb infin] | 42 |
|
| 3 | [adv] [adv] did n't [vb infin] | 33 |
|
| 4 | [adv] [adv] did n't they | 19 |
|
