| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is [adv] happening [prep] | 23 |
|
| 2 | what is [adv] [v-ing] in | 19 |
|
| 3 | what is actually [v-ing] [prep] | 14 |
|
| 4 | what is really [v-ing] [prep] | 8 |
|
| 5 | what is [adv] [v-ing] to | 6 |
|
