| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun] [prep] | 6830 |
|
| 2 | [subord] it be a [noun] | 1554 |
|
| 3 | [subord] it be [noun] [prep] | 236 |
|
| 4 | [subord] be a [noun] [prep] | 142 |
|
