| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] could [verb] | 2038 |
|
| 2 | how [indef pn] [verb] | 108 |
|
| 3 | how [indef pn] could | 43 |
|
| 4 | how could [verb] | 7 |
|
