| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [subord] it is [adv] [verb] | 32 |
|
| 2 | [vb pp] [subord] it is [adv] [vb pp] | 30 |
|
| 3 | [vb pp] [subord] it is [adv] [verb] | 24 |
|
| 4 | [vb pp] if it is [adv] [verb] | 9 |
|
| 5 | [vb pp] [subord] it is [not/n't] [verb] | 8 |
|
| 6 | [vb pp] [subord] it is not [verb] | 8 |
|
| 7 | [vb pp] [subord] it is not [verb] | 8 |
|
| 8 | [vb pp] when it is [adv] [verb] | 6 |
|
