| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] that [adj] | 1625 |
|
| 2 | it be [vb pp] that a | 581 |
|
| 3 | be [vb pp] that a [adj] | 431 |
|
| 4 | it be [vb pp] a [adj] | 140 |
|
| 5 | it be that a [adj] | 16 |
|
