| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [conj] it | 1079 |
|
| 2 | is [adj] when [pron] | 208 |
|
| 3 | be [adj] when it | 162 |
|
| 4 | [be] [adj] when it | 162 |
|
| 5 | [is] [adj] when it | 50 |
|
