| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [adj] was | 77 |
|
| 2 | [Wh det] be certain [be] | 69 |
|
| 3 | [Wh det] be certain be | 69 |
|
| 4 | [pron] be certain was | 6 |
|
| 5 | [Wh det] [be] certain was | 6 |
|
| 6 | [Wh det] be certain [was/were] | 6 |
|
