【新思路】2018-2019学年人教版高一英语必修4学案: Unit 5 Period Three Word版含答案
【新思路】2018-2019学年人教版高一英语必修4学案: Unit 5 Period Three Word版含答案第3页

构成方式 例词 副词+名词 inside(在......里面) 介词+副词 within(在......之内) 副词+介词 into(进入) 注意:(1)由"可数名词+介词(短语)"构成的复合名词变复数时,把前面的名词变复数。例如:father­in­law→fathers­in­law,passer­by→passers­by;

(2)由man和woman构成的合成名词变复数时,两个名词都要变成复数。例如:woman doctor→women doctors;

(3)由"名词+名词"构成的复合名词,在变复数时,只变化中心名词,而修饰名词不变。例如:girlfriend→girlfriends。

即时跟踪1 

根据构词法,猜测下列句子中画线单词的汉语意思

1.He has invented a sun­powered car which is very friendly to the environment.以太阳能为动力的

2.I have rented a house in the city centre,and my landlady is very kind to me.女房东

3.She is a very short­sighted girl and she can't consider the interest of the future at all.目光短浅的

4.Don't do it until last moment.You should do it before­hand.事先

5.Perhaps she can't be admitted into a medical university because she is color­blind.色盲的

6.If you are still having a headache,take this painkiller.止痛药

7.As we all know,most glass is usually see­through.透明的

8.This is an evergreen tree.I like it very much.常绿的

9.You are absent­minded again.Please listen to the teacher carefully.心不在焉的

10.I'm told that his newly­bought shirt is dark blue.新买的

二、派生(Derivation)

派生法是由一个词根加上前缀或后缀构成另一个词。

1.前缀

前缀一般只改变单词的意思,不改变词性。

分类 举例 常见否定前缀 il­ illegal非法的 un­ unhappy不高兴的 im­ impatient不耐烦的