| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] [be] thought [prep] | 5 |
|
| 2 | what [modal v] [be] thought [prep] | 5 |
|
| 3 | what [modal v] be thought [prep] | 5 |
|
| 4 | what [vb mod] [be] thought [prep] | 5 |
|
