| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [adv] [verb] is | 58 |
|
| 2 | what [is] [verb] is that | 46 |
|
| 3 | [is] [adv] [verb] is that | 26 |
|
| 4 | what [adv] [verb] is that | 12 |
|
