| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [be] [vb pp] have [been] | 15 |
|
| 2 | what [be] [verb] have [been] | 15 |
|
| 3 | what [be] think have [been] | 5 |
|
| 4 | what [be] thought have [been] | 5 |
|
