| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [coord] [conj] it is [verb] | 13 |
|
| 2 | [subord] [coord] [subord] it is [verb] | 13 |
|
| 3 | [subord] [coord] [conj] it is [vb pp] | 13 |
|
| 4 | [subord] and [conj] it is [verb] | 13 |
|
| 5 | [subord] [coord] when it is [verb] | 7 |
|
| 6 | [subord] [coord] when it is [verb] | 7 |
|
| 7 | as [coord] [conj] it is [verb] | 5 |
|
