| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at [det] time | 2072 |
|
| 2 | [v-ing] [noun] at [det] | 143 |
|
| 3 | [v-ing] at [det] time | 87 |
|
| 4 | [v-ing] [noun] [det] time | 14 |
|
