| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how could [pron] [vb infin] | 885 |
|
| 2 | how could [pers pn] [vb infin] | 839 |
|
| 3 | how [modal v] we [vb infin] | 494 |
|
| 4 | [adv] could we [vb infin] | 85 |
|
| 5 | [Wh adv] could we [vb infin] | 47 |
|
| 6 | how could we [vb infin] | 37 |
|
| 7 | how could we [verb] | 37 |
|
| 8 | how could we [vb infin] | 37 |
|
