| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51078 |
|
| 2 | it [be] [noun prp] | 5789 |
|
| 3 | [be] [verb] [noun prp] | 5465 |
|
| 4 | it [verb] [noun prp] | 1586 |
|
