| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [v-ing] at the [noun] | 49 |
|
| 2 | [verb] [v-ing] at the time | 13 |
|
| 3 | [vb base] [verb] at the time | 10 |
|
| 4 | [vb base] [v-ing] [prep] the time | 9 |
|
| 5 | [vb base] [v-ing] at [art] time | 6 |
|
