| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [pron] [vb infin] [det] | 471 |
|
| 2 | how do [pron] [vb infin] [det] | 467 |
|
| 3 | [adv] did [pron] [vb infin] [det] | 450 |
|
| 4 | how did [pron] [vb infin] [adj] | 131 |
|
| 5 | how [vb past] [pron] [vb infin] [det] | 125 |
|
| 6 | how did [pron] [verb] [det] | 124 |
|
