| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] only [conj] it is [vb pp] | 8 |
|
| 2 | [verb] only [conj] it is [verb] | 8 |
|
| 3 | [verb] only [subord] it is [verb] | 8 |
|
| 4 | [vb pp] only [conj] it is [verb] | 6 |
|
| 5 | [verb] only if it is [verb] | 6 |
|
| 6 | [verb] only if it is [verb] | 6 |
|
