| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb -s] [verb] | 2115 |
|
| 2 | [vb -s] [verb] is | 664 |
|
| 3 | what [verb] is | 402 |
|
| 4 | what [vb -s] is | 358 |
|
