if引导非条件句subjunctive mood虚拟语气.pptxVIP

SubjunctiveMood

---byJason

LOGO

Contentsif引导的非真实条件句1Noun.clause2Someothers3if引导的非真实条件句1if引导的非真实条件句1if引导的非真实条件句1

If引导的非真实条件句If+did,would/could/might/should+v（现在）if+haddone,would/could/might/should+havedone（过去）①didIf+②should+v③weretodo，would/could/might/should+v（将来）注意：非真实条件句的重要考点结合倒装

Noun.Clause表示建议，命令，要求，提议等意思的词，它们所涉及到的名词性从句都需要用虚拟语气，其虚拟形式为（should）+v①主语从句：（should）+vadvised，suggested，mended，required……Itisimportant，essential,necessary，imperative,strangeapity,ashame,nowonder……②宾语从句：（should）+v常见的动词有：advise，mend，order，command，demand，require，request，move，propose，suggest，insist

Noun.Clause③表语从句：（should+v）常见的名词仍然是表达的建议，命令，要求，提议等；advice，suggestion，demand，order，motion，mendation，requirement，request，proposaletc.④同位语从句：（should+v）常见的名词仍然是表达的建议，命令，要求，提议等；advice，suggestion，demand，order，motion，mendation，requirement，request，proposaletc.

SomeothersLOGO①注意两个介词（短语）：without，butfor+did（现在）②wish+haddone（过去）+would+V(将来）③asif/asthough+did（现在）+haddone（过去）+would+V(将来）④ifonly+did（现在）+haddone（过去）+would+V(将来）

⑤forfearthat=lest引导目的状语从句

⑥itis（high/about）timethat……其后两种形式

过去式orshould+v

⑦musthavedone

mighthavedone

should/oughttohavedone

shouldn`t/oughtn`ttohavedone

couldhavedone

needn’thavedone

⑧wouldrather/sooner表宁愿，+did(现在和将来）

+had