Unfortunately,I don’t know Philosophy,so I can’t answer your question. A. If I know Philosophy,I can answer your question. B. If I know Philosophy,I will be able to answer your question. C. I
Unfortunately,I don’t know Philosophy,so I can’t answer your question.
A. If I know Philosophy,I can answer your question.
B. If I know Philosophy,I will be able to answer your question.
C. If I knew Philosophy,I would be able to answer your question.
D. If I had known Philosophy,I would have been able to answer your question.