| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know whether [verb] | 102 |
|
| 2 | know whether [to-vb] | 98 |
|
| 3 | know whether [verb] | 82 |
|
| 4 | know whether laugh | 13 |
|
| 5 | know whether to laugh | 13 |
|
| 6 | knowing whether [verb] | 8 |
|
| 7 | know whether to believe | 8 |
|
| 8 | know whether believe | 8 |
|
| 9 | know whether take | 7 |
|
| 10 | know whether to take | 7 |
|
| 11 | know whether to put | 6 |
|
| 12 | know whether put | 6 |
|
| 13 | to know whether [verb] | 5 |
|
| 14 | know whether have | 5 |
|
