| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pron] [vb infin] [adv] | 518 |
|
| 2 | how do [pron] [vb infin] [adv prt] | 316 |
|
| 3 | [adv] do [pron] [vb infin] down | 18 |
|
| 4 | how [verb] [pron] [vb infin] down | 7 |
|
| 5 | how do [pron] [vb infin] down | 7 |
|
| 6 | how do [pron] [verb] down | 7 |
|
