| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [det] [noun] | 2922 |
|
| 2 | it be an [noun] | 2231 |
|
| 3 | it be an [det] | 19 |
|
| 4 | be an [det] [noun] | 18 |
|
