| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what is [prep] | 185 |
|
| 2 | [prep] what is in | 78 |
|
| 3 | of what is [prep] | 76 |
|
| 4 | [prep] what is to | 40 |
|
| 5 | to what is [prep] | 31 |
|
| 6 | [prep] what is on | 21 |
|
| 7 | [prep] what is at | 17 |
|
| 8 | in what is [prep] | 11 |
|
| 9 | on what is [prep] | 11 |
|
| 10 | with what is [prep] | 10 |
|
| 11 | for what is [prep] | 9 |
|
| 12 | about what is [prep] | 8 |
|
| 13 | from what is [prep] | 6 |
|
| 14 | [prep] what is for | 6 |
|
| 15 | between what is [prep] | 5 |
|
