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