| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what [verb] to | 97 |
|
| 2 | [adv] what happen to | 64 |
|
| 3 | [adv] what [vb past] to | 51 |
|
| 4 | [adv] what [vb -s] to | 43 |
|
| 5 | [adv] what happened to | 42 |
|
| 6 | so what [verb] to | 26 |
|
| 7 | [adv] what happens to | 22 |
|
| 8 | exactly what [verb] to | 19 |
|
| 9 | [adv] what appear to | 9 |
|
| 10 | just what [verb] to | 8 |
|
| 11 | [adv] what appears to | 7 |
|
| 12 | [adv] what seem to | 6 |
|
| 13 | [adv] what need to | 5 |
|
