| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] [v-ing] [noun sg] | 285 |
|
| 2 | are [adv] [v-ing] at | 147 |
|
| 3 | [adv] [v-ing] [noun sg] at | 64 |
|
| 4 | are [v-ing] [noun sg] at | 28 |
|
