条件+让步状语从句-学案+习题4页.docx

条件状语从句Adverbial Clauses of Conditions(1) if, unless（除非 if not.）eg. _ we have enough evidence, we cant win the case. _ I was in charge, I would do things differently.(2) only if 只有，只要eg. We will go only if it clears up./ Only if it clears up, _ Only if we work together_只有一起努力，我们才能成功。区分：only if Vs. if only _eg. If only I were a superman. /If only I could fly./If only I had taken his a