| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] [prep] a | 1591 |
|
| 2 | are [adv] [v-ing] [prep] | 1543 |
|
| 3 | are [v-ing] [prep] a | 982 |
|
| 4 | are [adv] [prep] a | 291 |
|
| 5 | are [adv] [v-ing] a | 288 |
|
