| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not really [vb infin] what | 19 |
|
| 2 | not really know what | 15 |
|
| 3 | not really [v-ing] what | 10 |
|
| 4 | not really know what | 9 |
|
| 5 | not really knowing what | 6 |
|
