| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not [adj] that | 633 |
|
| 2 | it is [not/n't] surprising that | 367 |
|
| 3 | it is [not/n't] clear that | 65 |
|
| 4 | it is [not/n't] true that | 29 |
|
| 5 | it is [not/n't] impossible that | 23 |
|
| 6 | it is [not/n't] likely that | 17 |
|
| 7 | it is [not/n't] certain that | 15 |
|
| 8 | it is [not/n't] unlikely that | 14 |
|
| 9 | it is [not/n't] obvious that | 13 |
|
| 10 | it is [not/n't] inconceivable that | 12 |
|
| 11 | it is [not/n't] sufficient that | 10 |
|
| 12 | it is n't [adj] that | 10 |
|
| 13 | it is [not/n't] necessary that | 7 |
|
| 14 | it is [not/n't] self-evident that | 5 |
|
