| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [v-ing] [prep] a [noun] | 545 |
|
| 2 | who are [v-ing] [prep] [noun] | 83 |
|
| 3 | who are [v-ing] [prep] a | 40 |
|
| 4 | who are [v-ing] a [noun] | 37 |
|
| 5 | who are [prep] a [noun] | 19 |
|
