| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] at the time | 22 |
|
| 2 | be [v-ing] [adv prt] at the time | 17 |
|
| 3 | was [v-ing] [adv] at the time | 15 |
|
| 4 | be [v-ing] on at the time | 8 |
|
| 5 | be [v-ing] on at the time | 8 |
|
| 6 | be going [adv] at the time | 8 |
|
| 7 | be [v-ing] [adv] at the time | 5 |
|
