| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is it not [adj] | 130 |
|
| 2 | is it [not/n't] [adj] | 123 |
|
| 3 | is it [not/n't] possible | 22 |
|
| 4 | is it [not/n't] possible | 22 |
|
| 5 | is it [not/n't] clear | 19 |
|
| 6 | is it [not/n't] clear | 19 |
|
| 7 | is it [not/n't] true | 16 |
|
| 8 | is it [not/n't] true | 16 |
|
