| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] [adv] [verb] | 379 |
|
| 2 | it is [not/n't] [verb] [subord] | 99 |
|
| 3 | is [not/n't] [adv] [verb] [subord] | 74 |
|
| 4 | it is [adv] [verb] [subord] | 71 |
|
| 5 | it is [not/n't] [adv] [subord] | 33 |
|
