| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [v-ing] [prep] | 8393 |
|
| 2 | who are [v-ing] | 1506 |
|
| 3 | who are [prep] | 629 |
|
| 4 | who [v-ing] [prep] | 16 |
|
