| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] [verb] is | 42 |
|
| 2 | what [vb mod] [vb infin] [is] | 40 |
|
| 3 | what [vb mod] happen [is] | 34 |
|
| 4 | what [vb mod] happen [is] | 33 |
|
| 5 | what will [verb] [is] | 20 |
|
| 6 | what would [verb] [is] | 6 |
|
