| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] on at [art] time | 5 |
|
| 2 | [was/were] [v-ing] on [prep] the time | 5 |
|
| 3 | was [v-ing] on [prep] [art] time | 5 |
|
| 4 | [was/were] [v-ing] on [prep] [art] time | 5 |
|
| 5 | [was/were] going on [prep] [art] time | 5 |
|
| 6 | [was/were] [v-ing] on at [art] time | 5 |
|
