| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] [v-ing] [adv] [prep] a | 5 |
|
| 2 | [was/were] [prep] [verb] [adv] [prep] a | 5 |
|
| 3 | [was/were] [prep] [verb] [adv] [prep] a | 5 |
|
