| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know the answer to | 40 |
|
| 2 | not [verb] the answer to | 40 |
|
| 3 | not know the [noun] to | 35 |
|
| 4 | not know the answer [prep] | 27 |
|
| 5 | not know the answer to | 27 |
|
| 6 | not know the answer [prep] | 27 |
|
| 7 | not know [art] answer to | 27 |
|
