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