| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what have [vb pp] [prep] | 272 |
|
| 2 | [v-ing] what have [vb pp] [prep] | 30 |
|
| 3 | [v-ing] [prep] what have [vb pp] | 16 |
|
