| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | it is [not/n't] [vb pp] | 847 |
|
| 3 | it is [adv] [not/n't] | 501 |
|
| 4 | is [adv] [not/n't] [vb pp] | 205 |
|
