| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of what [modal v] [be] | 280 |
|
| 2 | of [v-ing] [modal v] [be] | 80 |
|
| 3 | [v-ing] what [modal v] [be] | 71 |
|
| 4 | of [v-ing] what [be] | 66 |
|
| 5 | of [v-ing] what [modal v] | 22 |
|
