| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [modal v] [vb infin] [prep] | 1038 |
|
| 2 | what [pron] [vb mod] [vb infin] [prep] | 1038 |
|
| 3 | [pron] [pron] could [vb infin] [prep] | 528 |
|
| 4 | what [pron] could [verb] [prep] | 135 |
|
| 5 | what [pron] could [vb infin] [prep] | 132 |
|
