| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [prep] a [noun sg] | 498 |
|
| 2 | it [was/were] [prep] [subord] a | 41 |
|
| 3 | [was/were] [prep] [subord] a [noun sg] | 25 |
|
| 4 | it [was/were] [prep] [subord] [noun sg] | 12 |
|
