| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did not they [vb infin] | 46 |
|
| 2 | [Wh adv] did not they [vb infin] | 43 |
|
| 3 | [adv] [Wh adv] did they [vb infin] | 25 |
|
| 4 | [adv] [Wh adv] did not they | 10 |
|
