| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [noun] [Wh det] | 1067 |
|
| 2 | be certain [noun] | 417 |
|
| 3 | certain [noun] [Wh det] | 199 |
|
| 4 | be certain [Wh det] | 14 |
|
