| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [was/were] | 15755 |
|
| 2 | [verb] it [was/were] | 10380 |
|
| 3 | [verb] [subord] it | 7100 |
|
| 4 | [verb] [subord] [was/were] | 80 |
|
