| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do we [vb infin] | 426 |
|
| 2 | do we [vb infin] [adv] | 241 |
|
| 3 | how do we [adv] | 13 |
|
| 4 | how do [vb infin] [adv] | 6 |
|
