| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [modal v] [vb infin] [adv] | 326 |
|
| 2 | what [pron] [vb mod] [vb infin] [adv] | 326 |
|
| 3 | [pron] [pron] could [vb infin] [adv] | 201 |
|
| 4 | what [pron] could [verb] [adv] | 38 |
|
| 5 | what [pron] could [vb infin] [adv] | 35 |
|
