| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] | 37805 |
|
| 2 | [be] [being] [vb pp] | 16438 |
|
| 3 | it [be] [being] | 703 |
|
| 4 | it [being] [vb pp] | 214 |
|
