| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] who are [verb] at | 14 |
|
| 2 | [noun] who are [v-ing] at | 11 |
|
| 3 | [noun] who are [vb pp] at | 10 |
|
| 4 | people who are [verb] at | 5 |
|
| 5 | people who are [verb] at | 5 |
|
| 6 | [n mass] who are [verb] at | 5 |
|
