| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pron] could [adv] | 277 |
|
| 2 | [prep] what [pron] [modal v] [adv] | 141 |
|
| 3 | [prep] what [pron] [vb mod] [adv] | 141 |
|
| 4 | [prep] what [pron] could [adv] | 27 |
|
| 5 | [prep] what [pron] could [adv] | 27 |
|
