| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [subord] [noun] | 3059 |
|
| 2 | it be [vb pp] [noun] | 558 |
|
| 3 | it be [vb pp] [subord] | 470 |
|
| 4 | it be [subord] [noun] | 156 |
|
