| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] during the | 522 |
|
| 2 | which [was/were] [verb] the | 233 |
|
| 3 | which [was/were] [verb] during | 53 |
|
| 4 | which [verb] during the | 48 |
|
