| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] what is [verb] [prep] the | 15 |
|
| 2 | [vb -s] what [is] [vb pp] [prep] the | 11 |
|
| 3 | [vb -s] what [is] [verb] by the | 6 |
|
| 4 | [vb -s] what [is] [v-ing] [prep] the | 5 |
|
