| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did [adv] | 44320 |
|
| 2 | [Wh pn] [verb] [adv] | 15673 |
|
| 3 | [Wh pn] [vb past] [adv] | 8075 |
|
| 4 | [Wh pn] do [adv] | 2999 |
|
