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1、 Unit 4 Grammar 学校_ 班级_ 姓名_ 家长签字_【板块要点】一、教学目标 1.了解并掌握时间状语从句的结构。2.掌握并能使用引导时间状语从句的连词。教学重点、难点 能熟练运用时间状语从句进行表达。二、词汇、短语 1.career(n.) 生涯，职业 careers(复数) in ones career2.against(prep) 对抗，违反 against the law against the wall3.awful(adj) 糟糕的 awfulness(n.)4.serious(adj) 严肃的，严重的 seriously(adv) be serious about s
2、th/be serious with sb5.take part in(join in) 参加e back from work 上班回来7.finish doing 完成做某事 =complete doing8.区别 try(tried) out & be(feel) tired out三、句型（语法） 1. before; after; when和while都是用来引导时间状语从句的。时间状语从句是指在复合句中充当时间状语的句子。连词before; after; when和while引导时间状语从句时，既可以放在句首，也可以放在句中。(1) before意为“在之前”，表示主句的动作发生在从
3、句的动作之前。Close the window before you leave the room.(2)after意为“在之后”，表示主句的动作发生在从句的动作之后。I went to school after I finished my breakfast.(3)when意为“当(在)时候”，表示主句动作发生的特定时间。The days get longer when spring comes.(4)while意为“在期间”，表示主句动作发生在从句动作经行的过程中。2. 我们也可以用连词since; till和until引导时间状语从句。(1)since意为“自从以来”。一般情况下，从句谓
4、语动词用一般过去时，而主句的谓语动词用现在完成时。They have been friends since they were in primary school.(2)till和until 意为“到 为止”，一般情况下两者可以互换，但until可以放在句首或句中，而till通常放于句中。Walk until/till you see a white house.The children wont come home until it is dark.3. as soon as 和whenever也可以引导时间状语从句。(1)as soon as意为“一 就.”As soon as I got
5、 to the bus stop, the bus started.(2)whenever意为“每当，任何时候”九年级上册 Unit 4 Grammar学校_ 班级_ 姓名_ 家长签字_【课前导学】1.待在那儿_ 9.痴迷做某事_ 2.练习打篮球_ 10.几天_ 3.几个小时_ 11.玩得高兴_ 4.严厉的父母亲_ 12.等待_ 5.在公交站_ 13.看我喜爱的电视节目_ 6.接到一个电话_ 14.认真对待_ 7.准备做某事_ 15.回到_ 8.下班回来_ 16.参加_【课堂学习】Step 1. One-minute talk. Have a free talk about Yao Mings
6、 legend using before, after, when & while.Step 2. Watch and find Find some sentences using when/while/before/after/since/till Step 3. Discuss and work out the rules 1.before的意思是“在之前”，表示 after意思是“在之后”，表示 2. Fill the blanks with “before”&“after”(1) You should turn off the lights _ you leave the room.
7、= You should turn off the lights _ the room.(2)Tom went to school _he finished his breakfast. = Tom went to school_ _his breakfast.(3). Time passed quickly and three months went by _ I knew it. (4). The sun came out _ the storm stopped.3.when意思是“当时”，表示 while意思是“当时”，强调 注意：（1）when 既指时间点，也可指一段时间；因此when
8、引导的时间状语从句中的动词可以是终止性动词或延续性动词。while 只指一段时间，while从句中的动词必须是延续性动词。 （2） while还可以表示“在期间”，表示主句动作发生在从句动作进行的过程中。（3） 在when和while引导的从句中，当主句和从句的主语一致，并且从句中有be动词时， 可以省略主语和be动词，构成when/while+ -ing结构。Fill the blanks with “when”&“while”（1）The days get longer _ spring comes.（2）_ the boys were playing football, it raine
9、d.（3）I was about to leave _ the phone rang.（4）Jack is strong _ his brother is weak.（5）_ (she is) in trouble, she always asks me for help. Finish the exercises on Page 54.4. Using since, till & until 1.since, till和until常用来引导时间状语从句。since意思是“ ”,一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用 。till和until意思是 “ ” ，一般情况下两者可以
10、互换。until可以放在 ，而till不可以用在 。注意：如果主句中的谓语动词是瞬时动词时，必须用否定形式，即“notuntil”结构，意思是“直到才（开始）”此处不能用till。2.Finish the exercises on Page 55.5. Using as soon as & whenever1.我们常用as soon as和whenever引导时间状语从句。as soon as意思是“ ”。 whenever意思是“ ”。whenever可以用every time替换。2.Complete PartC1&C2【课后拓展】一、词汇A根据所给中文或英文提示完成单词。1. The job _(要紧) more to him than anything else.2.Messi _ (得分) a winning goal in the second half of the match.3.You will get a good job as soon as you graduate from Beijing _(大学)4.The book tells us about the _ (国家的)characteristics and history of the country.5.It seems that they have _ (成功) solved the p
