| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [det] time | 29 |
|
| 2 | [be] [v-ing] at [det] time | 29 |
|
| 3 | [was/were] [v-ing] at [det] time | 23 |
|
| 4 | was [v-ing] at [det] time | 19 |
|
| 5 | [be] [v-ing] at that time | 19 |
|
| 6 | [be] [v-ing] at this time | 8 |
|
| 7 | [be] doing at [det] time | 7 |
|
| 8 | [be] happening at [det] time | 5 |
|
