| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what do [vb infin] [is] that | 7 |
|
| 2 | what do [vb infin] is that | 7 |
|
| 3 | what does [vb infin] [is] that | 7 |
|
| 4 | what do matter [is] that | 6 |
|
