| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [was/were] [adv] | 6298 |
|
| 2 | [was/were] [adv] when | 170 |
|
| 3 | [det] [adv] when | 57 |
|
| 4 | [det] [was/were] when | 23 |
|
