| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not clear [conj] a | 7 |
|
| 2 | not clear whether a | 6 |
|
| 3 | not clear whether a | 6 |
|
| 4 | not clear [conj] a | 6 |
|
| 5 | not clear [subord] a | 6 |
|
