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1、U8 重点语法情态动词表推测1.must 有把握的肯定推测有把握的肯定推测 “一定一定”情态动词表推测The light is on.He must be at home now.2.can 可能性稍大的推测可能性稍大的推测That cant be Mary.Shes in NewYork.3.might/could 用于肯定句,把握不大用于肯定句,把握不大“有可能,也许有可能,也许”This volleyball might/could be Toms.He likes playing This volleyball might/could be Toms.He likes playing
2、volleyball.volleyball.1.情态动词表示推测时,无时态区别,只有语气差别情态动词表示推测时,无时态区别,只有语气差别特别注意might-may-could-can-must2.must 表示肯定推测时,表示肯定推测时,“一定一定”,用于否定推测时用用于否定推测时用cant,不能用,不能用mustnt,mustnt 表示表示“禁止禁止”He must be at home.否定句:否定句:He cant be at home.1.情情+do 表示对目前事情的推测表示对目前事情的推测The book must be Kates.2.情情+be+现在分词,表示对正在发生的事情的推
3、测现在分词,表示对正在发生的事情的推测She must be doing her homework at home now.3.情情+have done 表示对过去或已完成事件的推测表示对过去或已完成事件的推测He must have known the bad news.4.There+情情+be+主主+现在分词,表示可能现在分词,表示可能/或许或许/一定有一定有.在做在做Its noisy.There might be some boys playing soccer.1.-Is that Mary over there?-It_be her.She has gone to Kunming
4、.A.may B.must C.cant D.mustnt2.You_walk on the wet hill path,because you _ fall and hurt yourself.A.must;might not B.mustnt;might C.neednt;need D.must;must3.-I cant find Tom anywhere.-_his homework upstairs.I didnt see him come down.A.might have done B.must be doing C.should have done D.must doU9 重点
5、语法重点语法定语从句定语从句定语从句看定语从句看“先先行词行词”先行词:被定语从句修饰的词,位于从句前引导定从的关系词:关系代词:which/that,who,whose,whom关系副词:when,where,why关系代词:1.which/that在从句中既可做在从句中既可做主语主语,也可做,也可做宾语宾语,that指指人也指物,人也指物,which只能指物只能指物 I like music(_ I can sing along with).The piece(which was played on the erhu)especially moved me.关系代词:which/that可
6、以换用,以下情况只能用可以换用,以下情况只能用 that当先行词是当先行词是 all,everything,nothing,something,anything等等不定代词不定代词或被它们修饰时。或被它们修饰时。eg.Is there anything that I can do for you?当先行词被形容词最高级当先行词被形容词最高级/序数词序数词/the only/the very/the same/the last/little/few等等修饰时。修饰时。e.g.It is the most important task that should be finished soon.关系
7、代词:which/that可以换用,以下情况只能用可以换用,以下情况只能用 that 主句是主句是there be 结构,修饰主语的定从用结构,修饰主语的定从用thatThere is a book on the desk that belongs to Tom.当先行词中既有人又有物时。当先行词中既有人又有物时。e.g.Tony saved the man and his dog that fell into the water just now.以以who或或which引导的特殊疑问句,为避免重引导的特殊疑问句,为避免重复,只能复,只能用用thatWho is the girl that
8、is crying?关系代词:which/that可以换用,以下情况只能用可以换用,以下情况只能用 which引导非限制性定语从句引导非限制性定语从句指物时指物时(前面有逗号)。(前面有逗号)。e.g.Football,which is an interesting game,is played all over the world.当关系词前面有当关系词前面有介词介词,指物时常用,指物时常用which。The company in which he works is big.如果先行词本身是如果先行词本身是that或或those,只能用只能用which。This is that which
9、he bought yesterday.关系代词:who做主语whom作宾语 whose做定语关系副词:where,when,why在定从中分别作地点/时间和原因状语1.The book_cover has a beautiful picture is Lilys.A.which B.whose C.that D.who2.-The singer_comes from USA is called Bob.-I know.The most popular song_was sung by him was on the CCTV show last night.A.who;which B.who;
10、that C.that;which D.whom;that3.I will go to the park_they played basketball last week.A.that B.when C.where D.how4.The house in_Lu Xun used to live is now a museum.A.which B.where C.that5.I will go to the park_they played basketball last week.A.that B.when C.where D.howU10 重点语法重点语法be supposed tobe e
11、xpected toIts+adj+for/of sb to do sth1.expect v.期待,预期待,预期期expect to do sth.期待做某事expect sb.to do sth.期待某人做某事be expected to do sth.被期望做某事expect+从句 预计/料想类似用法:be supposed to do be allowed to do be prepared to do2.a bit/little1.a bit+adj.=a little+adj.He is a bit/a little lazy.2.a bit of=a littleThere is
12、 a bit of/a little water.3.not a bit=not at all It seemed that she was not a bit worried.4.not a little=very/quite The food is not a little delicious.有点儿一点儿一点也不很;非常1.Everyone in the class _take part in the discussion.A.expect to B.is expected to C.is expecting D.are expect to2.-The book may be_thick
13、 but its written in easy English.-Thats fine,or it will be too much for the kids to read.A.a bit B.little C.a bit of D.a fewHe got up _ late,so he only had_bread and rushed to work.A.a little;a bit B.a bit of;a bit of C.a little;a bit of D.a bit of;a bitYour grandparents miss you very much.You_visit
14、 them often.A.are used to B.were ready toC.are supposed to D.were expected to9.辨析句型辨析句型 1.It+be+adj.+for sb.+to do sth句中adj.为描述事物特征的词,如difficult,important,necessary,possible,dangerous等,用来说明动词不定式的特征2.It+be+adj.+of sb.+to do sth.句中的adj.为描述人物品质及性格特征的词,如clever,good,kind,polite,foolish等,用来说明of后sb.的内在品质It is wise _ Linda to make up her mind_ to play an instrument.A.for;learning B.for;to learn C.of;learning D.of;to learn