| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [pron] [adv] | 8364 |
|
| 2 | how do [pron] | 5652 |
|
| 3 | how [pron] [adv] | 310 |
|
| 4 | how do [adv] | 29 |
|
