| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [det] [vb infin] | 187 |
|
| 2 | how do [det] [vb infin] | 186 |
|
| 3 | [adv] did [det] [vb infin] | 157 |
|
| 4 | [Wh adv] did [det] [vb infin] | 121 |
|
| 5 | how [vb past] [det] [vb infin] | 46 |
|
| 6 | how did [det] [verb] | 46 |
|
| 7 | how did [det] [vb infin] | 46 |
|
| 8 | how did [adj] [vb infin] | 46 |
|
