| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] [prep] [be] | 698 |
|
| 2 | [adj] be [vb pp] [prep] [be] | 571 |
|
| 3 | [adj] it be [vb pp] [prep] | 228 |
|
| 4 | [adj] it be [prep] [be] | 61 |
|
