| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [adv] [verb] | 692 |
|
| 2 | [vb infin] what [is] [verb] | 433 |
|
| 3 | [vb infin] what [is] [adv] | 86 |
|
| 4 | [vb infin] [is] [adv] [verb] | 58 |
|
| 5 | [vb infin] what [adv] [verb] | 49 |
|
