| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] to say whether [det] | 6 |
|
| 2 | it be [adj] to say whether [det] | 6 |
|
| 3 | it be [adj] to say whether this | 5 |
|
| 4 | it is [adj] to say whether [det] | 5 |
|
