| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be for [adj] | 2125 |
|
| 2 | be for [adj] | 848 |
|
| 3 | be [prep] certain | 78 |
|
| 4 | be for certain | 23 |
|
| 5 | [be] for certain | 23 |
|
