| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] whether [adj] | 76 |
|
| 2 | it is [adj] to say whether | 20 |
|
| 3 | it is [adj] to say [adj] | 9 |
|
| 4 | is [adj] to say whether [adj] | 7 |
|
