| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [adv] [verb] | 688 |
|
| 2 | it is [not/n't] [adv] [verb] | 379 |
|
| 3 | [subord] it is [not/n't] [verb] | 255 |
|
| 4 | [subord] it is [not/n't] [adv] | 218 |
|
| 5 | [subord] it [not/n't] [adv] [verb] | 13 |
|
