Improve the bracketed part of the given sentence.
I wish (I know) how to play the guitar.

Options

A. A. No improvement
B. B. I am knowing
C. C. I have known
D. D. I knew

Answer

D

Explanation

We use subjunctive mood. when we want to express wishes or desires. For example, I wish I were the Prime Minister, I wish I could play football. Whereas, "I wish + V. (second form of the verb)" is the correct structure of a sentence having a subjunctive mood.