| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] what [modal v] [prep] be | 7 |
|
| 2 | be what [modal v] [prep] [be] | 7 |
|
| 3 | [be] what [modal v] to [be] | 7 |
|
| 4 | [be] what [vb mod] [prep] [be] | 7 |
|
| 5 | [be] what [modal v] [prep] be | 7 |
|
| 6 | [be] what [modal v] [prep] [be] | 7 |
|
| 7 | [be] what used [prep] [be] | 6 |
|
| 8 | [be] what used [prep] [be] | 6 |
|
| 9 | [is] what [modal v] [prep] [be] | 6 |
|
| 10 | is what [modal v] [prep] [be] | 5 |
|
