| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [adv prt] at the time | 12 |
|
| 2 | was [v-ing] [adv prt] at [art] time | 12 |
|
| 3 | was going [adv prt] at [art] time | 6 |
|
| 4 | was [v-ing] on at [art] time | 5 |
|
