1、.Unit 4 I used to be afraid of the dark.知識精講Period 11.She was never brave enough to ask questions.她從來都沒有勇氣去問問題。enough作副詞，意為“足夠地，充分地，用來修飾形容詞或副詞，一般置于被修飾詞之后。【學以致用】He runs fast /quickly enough. 他跑得足夠快。【拓展】enough還可用作形容詞，意為“足夠的，在句中作定語修飾名詞，可放于名詞前面或后面。 【學以致用】 A There are _for them all. A. enough seats B. fo

2、od enough C. seat enough D. enough food 2. Its been three years since we last saw our primary school classmates. 自從上一次見到我們的小學同學已經有三年了。1“Its been + 一段時間+since+從句，意為“自從以來已經有多長時間了，還可表示為“It is + 一段時間 + since + 從句 。【學以致用】自從我開場學英語已經有5年了。It has been /is 5 years since I began to learn English. 2since此處用作連詞，

3、意為“自從。主句常用完成 時態，且動作需用延續性動詞。since后接從句，該從句用 一般過去時態。【學以致用】她自從來這所學校就教我們英語了。She has taughtus English since she came to this school. B My uncle has been in the army _he was twenty years old. A. for B. since C. until D. after【拓展】since 還可作介詞，意為“自從以來，后接表示過去時間點的詞，如two years ago,1988,last month等。【學以致用】他在那兒已經工作

4、10年了。He has worked there since 10 years ago . Period 2一、語法：used to的用法。used to表示過去的習慣動作或狀態，如今已不再發生或不存在，其中to為不定式符號，后接動詞原形。【教材典句】1.Mario,you used to be short,didnt you? 馬里奧，你過去很矮，是嗎?Yes,I did. 是的，我過去很矮。2. Paula used to be really quiet. 葆拉過去真的很安靜。3. Did he use to wear glasses? 他過去戴眼鏡嗎?Yes,he did./ No,he

5、 didnt. 是的，他過去戴眼鏡。/不，他過去不戴。4. She didnt use to like tests. 她過去不喜歡考試。以上均為關于used to用法的句子，句1為used to的反意疑問句，句2是陳述句，句3是一般疑問句及其答句，句4為否認句。【拓展】 be /get /become used to doing sth. 意為“習慣于做某事。 be used to do/be used for doing sth. 意為“被用來做某事。【學以致用】 A 1. She _live with her grandparents,but she doesnt now. A. used

6、 to B. is used to C. was used to D. used C 2. Jenny _to be heavy. Now she is a little thin. A. use B. uses C. used D. using A 3. Lucy used to go to bed late,_she?A. didnt B. doesnt C. hadnt D. isnt A 4. Tom _Coke,but now he _milk. A. used to drink; is used to drinking B. used to drinking; is drinkin

7、gC. is used to drinking; used to drink D. is used to drink; is drinking B 5. Wood_make desks. A. used to B. is used to C. is used for D. is use to二、教材重難點解析。1.However, too much attention can also be a bad thing.然而，太多的關注也可能成為壞事。【辨析】too much,much too 與too manytoo much意為“太多， 后接不可數名詞; much too意為“實在太，修飾形容

8、詞或副詞;too many意為“太多，修飾可數名詞的復數形式。【學以致用】(1) The book is much too dear. 2There is too much noise in the classroom. 3There are too many passengers on the bus. 2. Only a very small number of people make it to the top.只有極少數的人能攀上頂峰。【辨析】a number of 與 the number of1a number of +可數名詞的復數 ,意為“許多的，作主語時，謂語動詞用復數形式；

9、2the number of + 可數名詞的復數 ,意為“的數目，作主語時，謂語動詞用單數形式。【學以致用】 A There_ a number of books on science in our school library,and in these years the number of them _growing larger and larger. A. are; is B. is; are C. have; are D. has; has Period 31.It is hard to believe that he used to have difficulties in sch

10、ool.很難相信他過去在學校有許多困難。It is hard to believe that + 從句，表示“很難相信。it是形式主語，that后面的從句是真正主語。【學以致用】 很難相信她只有9歲。Its hard to believe that shes only nine. 2.Li Wens unhappiness began to influence his schoolwork.李文的不快樂開場影響他的功課。 influence此處作動詞用，意為“影響。【學以致用】他老師的話影響了他的一生。His teachers words influenced /have influenced

11、 him for all his life. 【拓展】 influence還可用作名詞，意為“影響，作用。常用短語：have an influence on sb.，意為“對某人有影響。【學以致用】他的想法對我的影響極大。His idea had /has a great influence on me. 3. She advised them to talk with their son in person .她建議他們親自和他們的兒子談一談。 1advise sb. to do sth. 意為“建議某人做某事。【學以致用】老板建議他盡快分開。The boss advised him to leave as soo