| 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 |
|
