高考英语词汇复习之构词法学案语法要点：1.各类词性的正确使用及转化 2.运用构词法知识猜测语境中词的语义 3.通过理解和掌握构词法扩大词汇量考情分析：1. We drank together and talked _____ (merry) till far into the night.( 07 高考)2.This proverb is saying we have to let things go in their (nature) course.( 08 高考)3.But Jane knew from past experience that her __ (choose) of ties hardly ever pleased her father.( 09高考)4.His teacher took a deep drink, smiled _______(warm), and thanked his student very much for the sweet water.(10高考)考点精讲：Friendships change as our needs and lifestyles change.Don’t trouble trouble until trouble troubles you.They watched the train until it disappeared in the distance.英语构词法主要有三种方法：1.合成(Compounding):由两个或更多的词合成一个词eg. house( 房子)+ wife( 妻子)----housewife(家庭主妇)2.转化(Conversion):由一个词类转化为另一个词类:eg. water ( n.)水--- water ( v.)浇水3.派生(Derivation): 通过加前缀或后缀构成另外一个词:eg. happy---- unhappy 加前缀一般不改变原词的，只改变其。
happy---- happiness 加后缀改变了原词的一、合成法：…Yet, shopkeepers may have to spend extra hours to deal with problems, such as shoplifters, who always take away thing s from the shop without paying for them. …What does the word “shoplifter” mean?A.商店里的小偷B. 商店里的推销员C.商店里的老客户D.商店里的搬运工注意：___________________________________________________________请你猜一猜下列划线的词的词义。
1.For them, playing well and winning are often life-and-death affairs.2.Down-to-earth spirit is a necessity. Sharp words from a teacher can usually bringa day-dreaming student down-to-earth.3.For a time we wrote, and her letters were the highlight of those terrible endless years.二、转化法：He is a man with broad shoulders.We will shoulder the responsibilities at any time.Nobel arranged in his will to give the largest part of his money to establish the Nobel prizes.(08高考）触类旁通：feed cause use fly native major mail empty cheat free三、派生法（重点）：（一）前缀1. 否定前缀：il- im- in- ir- dis- mis- un- non-请为下列单词找出适当的否定前缀：balance concern active patient possible understand legal lucky polite regular agree use honest advantage stop smoker fair2. 请找出下列单词的前缀，并讨论前缀所含意义：retell repay antiaircraft oversleep overlook superman coeducation subway subtitle inte rnational interview enlarge transport归纳: ___________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________ ____________________巩固练习：1…It would b e easy for someone to mispresent himself on line because you can’t see him. Thus someone who says that “she is a 12-year-old girl.”could really be an old man.What does the word “mispresent ” mean?A.Making a wrong judgment aboutB.Understanding somebody wronglyC.Giving a wrong description ofD.Forming a wrong opinion about2….The computer also counts the loads and gives a signal by phone when the box is full. And a special piece of equipment breaks up the nonrecyclables.3…. An other myth about eyes is that they can be transplanted. It is quite difficult to connect an eyeball to a new brain…(二）后缀1. 常见的名词后缀A: 表示人的后缀：____________________________________B: 其它常见的后缀：__________________________________技巧点拨：动词、介词、冠词、物主代词等词后一般接或动名词,如果所给单词是其它词类,就要将其改为 ,并注意名词数的变化。
动词，名词，形容词时都有可能会考否定形式，一定要根据语境来判断。
(1)His (careful) resulted in the terrible accident(2)He was one of the (visit) who thought highly of Tom, their guide.2.常见的形容词后缀- al ; – an ; – ern; -ble ; –ish ; –ive; – y; -ful ; - less –ly;-ous表示具有…的性质, 或与…有关e.g. practical , American, southern , possible, foolish, native, rainy, careless，careful3.常见的副词后缀:- ly 表示方式,程度: freely ，happily -ward (s) 表示方向: westwards技巧点拨：动词前后、形容词前后可有，这时，如果所给词为形容词，则需将其变为副词。
如果所给词为名词或动词，可先将其变为形容词，再加后缀-ly。
另外，在答题时还要考虑副词级的变化。
名词前面一般可有形容词修饰语,连系动词后接形容词作表语。
如果所需词为形容词时,还要考虑形容词级的变化。
如：(1)The little girl is (extreme）eager to know the result of the exam.(2)What，s the (length)river in the world?(3)The (strength)we become, the more modest we should be.4. 动词后缀: -fy (使…化) ; -ize (使…成为) ; –en(使…）写出下列单词的动词形式:beauty modern deep rich real quick技巧点拨：动词是句子的灵魂，在确定语法填空的答案时，要考虑句子中是否有谓语动词，如果谓语动词，需将所给词通过加前缀或后缀变成动词。
两个en含有使动用法: en - （enrich) -en (widen)易错点1.Nowadays most aircraft fly highly.2. They can watch lively broadcast ball games at home.3."We really did very well,"cried the fairy, in a pleasing voice,"for I found little unhappiness among the children this morning."强化训练1.In a word, to save time is _________(long) life. to lengthen2.Before the trip I thought we were rich but today I learnt who is _____ (true) rich.3.The race gave a great deal of ________(please).(惠一调)4. It was his ninth year of school and his academic career seemed to be in ruins, so I was full of _____ (angry).(惠二调)5..and viruses, so I’m very careful not to give out my _________ (person) informatio n.(惠三调)6.With this the boy got up and walked away, leaving his father sitting on their comfortable sofa, totally _________ (speech).(广一模)7. Mr Chen has taught me English since Junior 1, and to show my (appreciate) I decided to get her a present. (广州二模)8.. … (fortunate), I then noticed that I had just10 minutes to complete the rest. (09广州二模)9.. Some people were now waiting for her service and the waitress grew a bit_________ (patience). （深一模）10.. “Thirty-five cents,” she said (rude). （09深一模）11.. I must know how to care for others and try not to (understand) them. 12. …you have done well and made great achievement in the (entertain) field. (惠一模)13. These people have made great __________ (contribute) to China with their work.（茂名二模）14.．The storm damaged several_________ (new) built buildings,…(梅州二模)15.．Numerous studies have shown that free play is very (benefit). It can help children become creative…(四校联考)16.…. they can see plays, films, operas, and shows of every kind, not to mention the latest _______ (excite) football match. （东莞一模）解题心得小结：介词，冠词，所有格后接_____；形容词修饰_____；副词修饰____________________熟悉四会单词的意义、拼写和词性注意1.在做语法填空时，一定要善于根据上下文分析句子结构，句子成分，平时要多积累相关的单词，熟悉其词性，并利用好构词法等技巧。