| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [modal v] [pron] | 30 |
|
| 2 | [prep] what [vb mod] [pron] | 30 |
|
| 3 | [prep] [pron] should [pron] | 21 |
|
| 4 | [prep] [Wh det] should [pron] | 7 |
|
| 5 | [prep] what should [pron] | 6 |
|
| 6 | [prep] what should [pron] | 6 |
|
