2019春八年級英語下冊 Unit 5 Good manners語法專練課件 （新版）牛津版

1、Unit 5Good manners enough to的用法 1.“be+adj.+enough+to do” 結(jié)構(gòu)常用來描述一個人的品質(zhì)或能力。該結(jié)構(gòu)可以與so.that.句 型互換。例如: He is strong enough to carry the heavy stone.=He is so strong that he can carry the heavy stone.他 夠強壯,以至于能搬起這塊很重的石頭。 2.enough在句中可以作狀語、定語和表語。例如: The house is not big enough for us.這房子對我們來說不夠大。( 作狀語 ) Hav

2、e you got enough money?你有足夠的錢嗎?( 作定語 ) Six bottles should be enough.六瓶應(yīng)該夠了。( 作表語 ) too.to的用法 1.too.to意為“太而不能”,該結(jié)構(gòu)表示具有否定意義的結(jié)果,否定意義是從too( 太, 過于 )開始的。too后接形容詞或副詞表示否定的原因,后面的“to+動詞原形”表示否定的內(nèi)容。 例如: The girl is too tired to walk.這個女孩太累了,走不動了。 2.too.to結(jié)構(gòu)以肯定的形式表達了否定的意義,以簡單句的結(jié)構(gòu)表達了復(fù)合句的內(nèi)容,這個結(jié) 構(gòu)可轉(zhuǎn)換為so.that.句型,也可以

3、用反義的形容詞轉(zhuǎn)換為enough to結(jié)構(gòu)。例如: The room is too small to hold so many people. The room is so small that it cant hold so many people. The room isnt big enough to hold so many people.這個房間太小了,容納不下這么多人。 3.too.to結(jié)構(gòu)中,too后的形容詞若修飾單數(shù)可數(shù)名詞,需要加不定冠詞a/an,放在形容詞之后, 名詞之前。例如: Thats too small a bag to hold all these books.那

4、個書包太小了,裝不下所有這些書。 4.too.to結(jié)構(gòu)中不定式前可加邏輯主語,表示動作的執(zhí)行者,常由for引出。例如: The Maths problem is too hard for them to work out.這個數(shù)學(xué)題太難了,他們算不出來。 5.too.to結(jié)構(gòu)和否定詞never或not一起使用時,并不表示否定意義。例如: One is never too old to learn.活到老,學(xué)到老。 .單項填空 ( B )1.He atejust now.He isand cant eat any more. A.enough food;enough full B.enough

5、food;full enough C.food enough;full enough D.food enough;enough full ( A )2.The young man iscarry that heavy bag. A.strong enough to B.enough strong to C.not strong enough D.strong enough ( D )3.Mum,can I help you with the cleaning? Thank you,dear.But you arenow.You must wait till you are. A.too you

6、ng;too old B.too young;enough old C.so young;enough old D.too young;old enough ( B )4.How do you like the film Kung Fu Panda 3? It isexcitingId like to see it again. A.such;thatB.so;that C.enough;toD.too;to ( A )5.You should be confident enougha speech in front of many people. A.to makeB.made C.maki

7、ngD.make .同義句轉(zhuǎn)換,每空一詞 1.Daniel is so kind that he always helps his friends in need. Daniel iskind enough to helphis friends in need. 2.The girl was so lucky that she got Jay Chous signature. The girl waslucky enough to getJay Chous signature. 3.The box is so heavy that I cant carry it. The box istooheavyfor me tocarry. 4.Simons grandfather is too old to drive a car. Simons grandfather isso oldthat he cant d