| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] do they | 480 |
|
| 2 | [Wh adv] did they | 383 |
|
| 3 | how do they | 356 |
|
| 4 | why do they | 313 |
|
| 5 | where do they | 154 |
|
| 6 | when do they | 38 |
|
