| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] whether [art] | 149 |
|
| 2 | be unsure [conj] [art] | 7 |
|
| 3 | be unsure [subord] [art] | 7 |
|
| 4 | [be] unsure whether [art] | 7 |
|
| 5 | be unsure whether [art] | 7 |
|
| 6 | be unsure whether [art] | 7 |
|
