| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it [be] [verb] [subord] | 9 |
|
| 2 | [vb base] it be [verb] [subord] | 9 |
|
| 3 | [vb base] it [be] [vb pp] [subord] | 7 |
|
| 4 | [vb base] it [is] [verb] [subord] | 5 |
|
