| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [verb] | 23513 |
|
| 2 | but it [verb] | 7552 |
|
| 3 | but it [was/were] | 6209 |
|
| 4 | but [was/were] [verb] | 1258 |
|
