| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at [adj] time [prep] | 160 |
|
| 2 | [v-ing] [adv] at [adj] [prep] | 59 |
|
| 3 | [v-ing] [adv] [adj] time [prep] | 35 |
|
| 4 | [v-ing] [adv] at [adj] time | 27 |
|
| 5 | [v-ing] at [adj] time [prep] | 14 |
|
