one question

[liuchunsheng123456]

i can not only learn some things ,but also can know how to treasure time .
i can not only learn some things , but also know how to treasure time .
i not only can learn some things ,but also can know how to treasure time.
Among the three quesions ,which one is best and which one is better,which one is wrong ?
thank you ,my dear teacher .

[ponpoco256]

i can not only learn some things ,but also can know how to treasure time .
i can not only learn some things , but also know how to treasure time .
i not only can learn some things ,but also can know how to treasure time.
Among the three quesions ,which one is best and which one is better,which one is wrong ?
I'm sorry but I'll change example sentences.

Here I can not only learn English grammar but also can know how to write English. (incorrect)
Here I can not only learn English grammar but also know how to write English. (correct)
Here I not only can learn English grammar but also can know how to write English. (correct but awkward)

ponpoco