| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [verb] | 23513 |
|
| 2 | [was/were] [verb] [num] | 2741 |
|
| 3 | it [was/were] [num] | 2089 |
|
| 4 | it [verb] [num] | 2061 |
|
