| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] [v-ing] [prep] a | 179 |
|
| 2 | are [adv] [v-ing] [prep] a | 179 |
|
| 3 | are [adv] [v-ing] at [art] | 62 |
|
| 4 | be [adv] [v-ing] at a | 56 |
|
| 5 | [be] [adv] [v-ing] at a | 56 |
|
| 6 | are [adv] [verb] at a | 41 |
|
| 7 | [am/are] [adv] [v-ing] at a | 26 |
|
| 8 | are [adv] [v-ing] at a | 22 |
|
| 9 | are [adv] [v-ing] at a | 19 |
|
