| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] a [noun] | 3611 |
|
| 2 | it be [det] a [noun] | 399 |
|
| 3 | be [det] [adv] a [noun] | 51 |
|
| 4 | it be [det] [adv] a | 22 |
|
