| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what it is [that] | 24 |
|
| 2 | [prep] what it is that | 24 |
|
| 3 | about what it is [that] | 11 |
|
| 4 | about what it is [that] | 11 |
|
| 5 | of what it is [that] | 8 |
|
| 6 | of what it is [that] | 8 |
|
