| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] at [adj] time | 336 |
|
| 2 | [noun] [v-ing] [noun] at [adj] | 67 |
|
| 3 | [noun] [v-ing] at [adj] time | 36 |
|
| 4 | [v-ing] [noun] at [adj] time | 31 |
|
