| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [num] [noun] | 224 |
|
| 2 | [verb] at [num] time | 190 |
|
| 3 | [v-ing] at [adj] time | 133 |
|
| 4 | [v-ing] [prep] [num] time | 27 |
|
