| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] | 18437 |
|
| 2 | it [verb] [noun prp] | 1586 |
|
| 3 | is [verb] [noun prp] | 982 |
|
| 4 | it is [noun prp] | 586 |
|
