| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adj] whether [det] | 67 |
|
| 2 | it [be] [adj] to say whether | 27 |
|
| 3 | it [be] [adj] to say [det] | 19 |
|
| 4 | [be] [adj] to say whether [det] | 7 |
|
