| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [conj] it [be] [verb] | 935 |
|
| 2 | [adj] [subord] it [be] [verb] | 544 |
|
| 3 | [adj] when [pron] [be] [verb] | 533 |
|
| 4 | [adj] when it [be] [verb] | 107 |
|
