| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the [det] time | 723 |
|
| 2 | [v-ing] at the [det] [noun] | 243 |
|
| 3 | [v-ing] at the [adj] time | 160 |
|
| 4 | [v-ing] [prep] the [det] time | 142 |
|
| 5 | [v-ing] at [art] [det] time | 140 |
|
