| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be an [noun] of | 345 |
|
| 2 | it be an [noun] [Wh det] | 113 |
|
| 3 | be an [noun] of [Wh det] | 61 |
|
| 4 | it be [noun] of [Wh det] | 6 |
|
