| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun] | 19886 |
|
| 2 | it be [det] [noun] | 2922 |
|
| 3 | be a [det] [noun] | 970 |
|
| 4 | it be a [det] | 86 |
|
| 5 | it a [det] [noun] | 55 |
|
