| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is [v-ing] at [art] [noun] | 10 |
|
| 2 | what is [v-ing] at the [noun] | 10 |
|
| 3 | what is [v-ing] at the [noun] | 10 |
|
| 4 | what is [v-ing] at [art] [noun] | 10 |
|
