| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] it [is] | 748 |
|
| 2 | be [adj] it [is] | 635 |
|
| 3 | be certain it [be] | 18 |
|
| 4 | be certain [pron] [is] | 17 |
|
| 5 | [be] certain it [is] | 9 |
|
| 6 | be certain it [is] | 9 |
|
