1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
译林2003课标版《Word power： Prefixes and suffixes； Organs of the body》精品教案优质课下载
I Prefixes and suffixes
Step I Lead-in
appear, novel, regular, respect
We are going to have some questions. Please use these words to help you, but you need to add some letters to the words first.
1)You cannot find your new pen. What happened to your pen? It disappeared
2) Many people respect Mr. Li and think he is a good man. He helps people out and is a good citizen and friend. So can you find a word to describe Mr. Li?
Respectable
3) Miss Wang has published several books. She loves her job writing novels. So what is Miss Wang’s occupation(职业)? She is a novelist
4) You cannot find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? irregular
Step II Introduction
independence
in depend ence
prefix(前缀) root (词根) suffix(后缀)
Prefix: a group of letters that is added to the beginning of a word to change its meaning.
Suffix: a letter or a group of letters added to the end of a word to make a different word.
Attention !
Usually a prefix will change the meaning of word, while a suffix will change the part of speech of a word.
StepIII Prefixes
Sometimes you can guess what a word means by looking at its prefix or suffix. Look at the examples and work out the meanings.
PrefixExample Meaning anti-anti-cloning, anticanceragainst, opposed todis-
un-disappear, disagree
unfair, unwillingnot, apposed of
in-
il-
im-