| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | [verb] it is [adv] | 792 |
|
| 3 | [verb] is [adv] [vb pp] | 379 |
|
| 4 | [verb] it is [vb pp] | 215 |
|
| 5 | [verb] it [adv] [vb pp] | 91 |
|
