| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv] at [art] time | 19 |
|
| 2 | [was/were] [v-ing] [adv] at the time | 17 |
|
| 3 | [was/were] [v-ing] [adv] at the time | 17 |
|
| 4 | was [v-ing] [adv] at [art] time | 16 |
|
| 5 | [was/were] [v-ing] [adv prt] at [art] time | 14 |
|
| 6 | [was/were] going [adv] at [art] time | 6 |
|
| 7 | [was/were] [v-ing] on at [art] time | 5 |
|
| 8 | [was/were] [v-ing] on at [art] time | 5 |
|
| 9 | [was/were] [v-ing] [adv] at [art] time | 5 |
|
