| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] did [adv] [vb infin] | 547 |
|
| 2 | [Wh det] did they [vb infin] | 188 |
|
| 3 | did they [adv] [vb infin] | 103 |
|
| 4 | [Wh det] did they [adv] | 5 |
|
