| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] what [pron] [modal v] | 44 |
|
| 2 | [to-vb] [adv] what [pron] [vb mod] | 44 |
|
| 3 | [verb] [adv] what [pron] could | 30 |
|
| 4 | [to-vb] [adv] [pron] [pron] could | 15 |
|
| 5 | [to-vb] [adv] what [pron] could | 11 |
|
