| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] | 37805 |
|
| 2 | it be [vb pp] | 37805 |
|
| 3 | [pron] is [vb pp] | 28403 |
|
| 4 | it is [verb] | 18437 |
|
| 5 | it [is] [vb pp] | 17495 |
|
