新概念英语3B知识点总结.ppt

新概念英语3B知识点总结 ask tell ask/tell somebody to do something Can you ask/tell him to leave the door open? ask/tell somebody not to do something Mom asked /told me not to watch the TV 间接引语 I/he/she /they+ think(s)/hope(s)/say(s)+that+间接引语 (主句时态一般和引语时态相同） Paul says that he has never seen so many beautiful women in his life! Karen told me that she lost her purse. . If Whether If 或 whether 引导的从句做主句谓语动词后的宾语成分 Have you asked mom whether\if I can start my English lesson? I want to know he has read the newspaper ? wonder she is enjoying her job? must find out + if \whether they will go to the US? will ask he can speak French? am not sure William is going to work soon? Used to do something Used to do something 表示过去常常做某事 I used to go out to play. Did you use to go out to play? I did not use to go out to play. 过去完成时态 过去完成时态表示过去某一时间或动作之前发生的动作 had + 动词的过去分词 Paul had phoned a friend before he cooked the meal. Ken had sold his old car before he bought a new one. 情态动词must can He can’t be ill. He must be tired. He can’t have been ill. He must have been tired. 时间状语从句 Claire lost her purse while she was shopping. T he lights went out when Karen was cooking. Karen fell down just as she was running to the bus. 疑问代词+不定式 I don’t know where to begin. who to ask. how to do it. when to start. what to do. 定语从句 1.定语从句的定义：用作定语的从句叫定语从句。 2.先行词：被定语从句所修饰的名词或代词。 3.定语从句的位置：紧跟先行词(名词或代词)之后。 4.引导词：引导定语从句的词(包括关系代词和关系副词)。 1.who/that指人是主格在定语从句中代替先行词，又作定语从句的主语，不能省略。 Do?you?know?the?gentleman?who/that?is?sitting?there? 2.whom/who/that指人是宾格，在定语从句中代替先行词，又作定语从句的宾语(动宾或介宾)。 ①?当作动宾(动词后接宾语)时，关系代词可省略。 Do?you?know?the?gentleman?(whom/who/that)?we?met?just?now? .which/that?指物，指代先行词且在定语从句中作主语或宾语 The?house?which/that?was?destroyed?in?the?earthquake?is?weak. The?pen?(which/th