| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [modal v] [prep] | 117 |
|
| 2 | for [pron] [modal v] [prep] | 8 |
|
| 3 | for [Wh det] [modal v] [prep] | 6 |
|
| 4 | for what [modal v] [prep] | 5 |
|
| 5 | for what [modal v] [prep] | 5 |
|
