| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pron] [vb infin] [prep] | 619 |
|
| 2 | how do [pron] [vb infin] [prep] | 619 |
|
| 3 | [adv] do [pron] [vb infin] to | 389 |
|
| 4 | how [verb] [pron] [vb infin] to | 129 |
|
| 5 | how do [pron] [vb infin] to | 126 |
|
| 6 | how do [pron] [verb] to | 126 |
|
