| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [pron] [verb] | 54002 |
|
| 2 | how [pron] [verb] | 8956 |
|
| 3 | how do [pron] | 5652 |
|
| 4 | how do [verb] | 33 |
|
