| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who are [v-ing] a | 70 |
|
| 2 | who are [vb pp] a | 10 |
|
| 3 | who are have a | 8 |
|
| 4 | who are having a | 7 |
|
| 5 | who are making a | 5 |
|
| 6 | who are make a | 5 |
|
