| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv] at [adj] | 164 |
|
| 2 | [be] [adv] at [adj] time | 55 |
|
| 3 | [be] [v-ing] [adv] [adj] time | 43 |
|
| 4 | [be] [v-ing] at [adj] time | 40 |
|
| 5 | [v-ing] [adv] at [adj] time | 27 |
|
