| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [v-ing] at | 3696 |
|
| 2 | [noun] at time | 409 |
|
| 3 | [noun] [v-ing] time | 90 |
|
| 4 | [v-ing] at time | 36 |
|
