| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] [be] [verb] | 1450 |
|
| 2 | [modal v] [be] [verb] [is] | 361 |
|
| 3 | what [be] [verb] [is] | 361 |
|
| 4 | what [modal v] [verb] [is] | 42 |
|
