| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [prep] time | 12 |
|
| 2 | was [v-ing] [prep] time | 11 |
|
| 3 | [was/were] [v-ing] for time | 5 |
|
| 4 | [was/were] [v-ing] for time | 5 |
|
