| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at the time | 84 |
|
| 2 | was [v-ing] at [art] time | 47 |
|
| 3 | were [v-ing] at [art] time | 24 |
|
| 4 | be [v-ing] at a time | 13 |
|
| 5 | be doing at [art] time | 11 |
|
| 6 | be happening at [art] time | 10 |
|
| 7 | be working at [art] time | 9 |
|
| 8 | be living at [art] time | 7 |
|
| 9 | been [v-ing] at [art] time | 6 |
|
| 10 | is [v-ing] at [art] time | 6 |
|
| 11 | are [v-ing] at [art] time | 6 |
|
| 12 | be going at [art] time | 5 |
|
