| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] [that] [adj] | 1625 |
|
| 2 | [Wh det] it [be] [vb pp] [that] | 97 |
|
| 3 | [Wh det] it [be] [vb pp] [adj] | 20 |
|
