| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is [v-ing] at [noun] | 10 |
|
| 2 | [Wh det] is [v-ing] at [noun prp] | 6 |
|
| 3 | what is [v-ing] at [noun] | 5 |
|
| 4 | [Wh det] is happening at [noun] | 5 |
|
| 5 | which is [v-ing] at [noun] | 5 |
|
