| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [is] [prep] | 382 |
|
| 2 | [verb] that [is] [prep] | 156 |
|
| 3 | [verb] what that [is] | 102 |
|
| 4 | what that [is] [prep] | 28 |
|
