| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] what [modal v] | 191 |
|
| 2 | are [v-ing] what | 83 |
|
| 3 | are [v-ing] [modal v] | 57 |
|
| 4 | are what [modal v] | 14 |
|
