江苏省八年级英语上册 Unit 4 Do it yourself Study Skills课件 （新版）牛津版.ppt

学习目标学习目标1.知识目标：学习词汇：certain, active, possible, tidy, uncertain, inactive, impossible, untidy, incorrect, impatient学习词组：tidy up, be usual for, be possible to do sth. all over the floor, right now学习句子：It’s usual for me to stay at home all day,It’s possible to sleep with al that noise.I’m certain that I can fix it myself.Things are all over the floor.I’ll tidy up right now.学习目标学习目标2. 技能目标：1)学习用否定前缀un-、in-和im-构成反义形容词的方法2)学会使用否定前缀un-、in-和im-的形容词表达否定含义 •I think do-it-yourself is meaningful.•It is really interesting to do it.prefix un-•It isn’t really interesting to do it.•It is really uninteresting to do it.Prefix 前缀前缀•A prefix is a letter or a group of letters that add to the front of a word to form a new word.前缀是添加在单词前形成新的单词前缀是添加在单词前形成新的单词的一个字母或者一组字母。

的一个字母或者一组字母The prefixes un-,in- and im-One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to give them the opposite meaning.certaincomfortableimportantinterestingfriendly welcome manned   uncertainuncomfortableunimportantuninterestingunfriendly unwelcome unmanned 无人的  We can use some other prefixes, such as in- and im-, to form new words with the opposite meaning.The prefixes un-,in- and im-activecorrect patient possible perfect   polite personal inactiveincorrect impatient impossible 不可能的imperfect 不完美的  impolite 无礼的 impersonal 非个人的前缀前缀dis-,dis- “不不”、、“无无”，，加在某些动词或名词前构成反义加在某些动词或名词前构成反义词。

词 dislike 不喜欢disagree 不同意 dishonest 不诚实的disappear 不见，消失disorder 无秩序，混乱disbelieve 不信 disability 无能，无力  like  agree HonestAppear order believe   ability Add the correct prefixes to some of the adjectives so that all the sentences make sense. (Page51) 当堂反馈Finish the exercises in your exercise book .。