| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [be] [verb] [prep] | 3488 |
|
| 2 | what [be] [verb] [is] | 361 |
|
| 3 | [be] [verb] [is] [prep] | 201 |
|
| 4 | what [verb] [is] [prep] | 9 |
|
