虚拟语气主要有两种用法,分别是对过去进行虚拟,对现在进行虚拟. 1.对过去虚拟,从句要用had done 形式，主句用would do/might do 等形式．例：If i had known the answer,I would tell you it. 2. 对现在进行虚拟，从句用一般过去时，主句还用would do/might do 等形式．例：If I were a bird ,I would fly up high.
答： 重视句子有效性和简洁性 在GMAT考试题目中，大家经常会看到对名词的状态性和动名词动作性的深入理解及名词词组核心词的辨认。而对动词时态的考查往往不是动作...详情>>
答：1.约翰•霍普金斯大学(Johns Hopkins University), GRE语文 161 2.范德堡大学(Vanderbilt University...详情>>
