| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] [adv] | 426 |
|
| 2 | [prep] [pron] could [adv] | 197 |
|
| 3 | [prep] what [pron] could | 164 |
|
| 4 | what [pron] could [adv] | 124 |
|
| 5 | [prep] what could [adv] | 29 |
|
