初中英语单词后缀.ppt

1、初中英语单词后缀,常青初中 陈小飞,初中英语单词后缀,同学们，今天我们讲动词和形容词后缀，它们的变化形式很多，我们八年级上册第五和第六单元主要讲后缀ing ,ness,ion.er,or,ist 这六种方式。,初中英语单词后缀,一首先我们来看到目前为止有哪些词是加ing的如：begin beginning shop-shopping swim swimming feel-feeling meet-meeting dance dancing 从这些变化中可以看出，我们可以把它们分为三种变化形式：,1.直接加 ing。Feeling ,meeting, meaning ,hunting ,sell

2、ing ,singing ,teaching ,camping sleeping surfing crossing painting等。 2.去e加ing.如:dancedancing skate-skating等。 3.双写加ing shopping beginning swimming 等,下面我们来看练习： He is good at _ (hunt) What is the _(mean)of the word? At the _(begin) of the 21st century, many young people liked wearing jeans.,二后缀ness .我们

3、可以分为两种形式。 1.直接加ness. sickness kindness darkness illness tiredness goodness 2.改y为i加ness happyhappiness friendly-friendliness,下面我们来看练习： Lucy cannot go to school because of _(sick) He was afraid because of _(dark) Smoking will make his _(ill) worse if he doesnt stop smoking.,三后缀ion.我们也可以分为三类。 1.直接加ion.

4、 collection discussion action 2.去e加ation或 ion invite-invitation congratulatecongratulation celebrate celebration organizeorganization educate -education 3.特殊的 decide-decision,下面我们来看练习： Many wild animals needs our _(protect) We hope you can accept our _(invite) and join us. Its our turn to take some

5、_(act) to help the animals,四后缀er或 r表示某种职业或地区的人.learner helper killer dancer singer hider sharper worker speaker reporter player driver teacher The _(write)of the great book is Mark Twain. Where did you go yesterday? I went to see a _ because I had a cold. The _(说话人) over there is my uncle,五。后缀or表示者

6、collector inventor actor visitor director Some _(invent) have large inventions. There are a lot of _(act) acting in the playground. More and more foreign _(visit) come to China for a visit.,六后缀ist表示学家学者 science-scientist piano-pianist( 钢琴演奏家) tour-tourist art-artist There are a lot of _(tour) visiti

7、ng Nanjing every year. I saw _(art) drawing some pictures carefully.,下面我们来看练习： 1.Birds are（1） _(sing). They can make beautiful sounds. Some（2） (act) can make different bird sounds. It is very interesting. A lot of (3) (tour) go to the wetlands to watch the birds every year. There are many (4) (visit

8、) at bird shows too. Some (5) (art) like to paint birds. The birds in their pictures are really beautiful. Some (6) (write) like to include birds in their poems too. Birds are part of our lives. They are our friends.,2.We are members of the Wild Animals Club. Many wild animals are now in danger beca

9、use of (1)_(hunt).They need our (2)_(protect).Wild animals are our friends.Some famous artists have wonderful (3)_(paint)of them. Wild animals also have their own families. They have(4)_(feel) of (5)_(happy) and (6)_(sad).We should not kill them for any reason. We hope you can accept our (7)_(invite)and join us. Thank you for your (8)_(kind).,配套练习答案, 1 singers 2.actors 3. tourists 4. visitors 5.artists 6.writers 1.hunting 2. protection 3.paintings 4.feelings 5.happiness 6.sadness 7. invitation 8. kindnes