| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what have [verb] to | 148 |
|
| 2 | know [pron] have [verb] to | 88 |
|
| 3 | know what have [verb] [prep] | 80 |
|
| 4 | know what have [verb] [prep] | 80 |
|
| 5 | know [Wh det] have [verb] to | 51 |
|
| 6 | know what have [verb] to | 51 |
|
| 7 | know what have [verb] to | 51 |
|
| 8 | know what [verb] [verb] to | 51 |
|
