Unit 5Lesson 3 Grammar课件-（2022）新北师大版《高中英语》必修第二册.ppt

1、To learn about and practise suffixesComplete the Word Builder.Then use the correct form of the words in the Word Builder to complete the sentences below.Word BuilderSuffixes prepare _situate _hope _cheer _explore _anxious _sad _preparation-tion-less-ful-ness-lyA suffix is a letter or a group of lett

2、ers that is added to the end of a word to change its meaning.Suffixes-tion means a state or quality,pletion-less means without,e.g.fearless-ful means full of,e.g.helpful-ness means a state or quality and makes a noun,e.g.kindess-ly forms adverbs from adjectives,e.g.kindlyWord BuilderSuffixes prepare

3、 _situate _hope _cheer _explore _anxious _sad _preparation-tion-less-ful-ness-lysituationhopeless/hopenesscheerfulexplorationanxiouslysadness1 Scott and Amundsen waited _ for spring during the Antarctic winter of 1911.2 Amundsen got to the South Pole before Scott because he had done more _ before le

4、aving for the Pole.3 Scott and his team got into a difficult _ because their sledges broke down.preparation situation hopeless cheerful exploration anxiously sadnessanxiouslypreparationsituation4 Scotts team tried to stay _ despite of all the difficulties they faced.5 Scott experienced a great sense

5、 of _ after realising that all of his efforts to reach the South Pole were for nothing.6 Scott wrote about their _ situation in his diary.preparation situation hopeless cheerful exploration anxiously sadnesscheerfulsadnesshopeless7 The bad weather increases the danger of their _.preparation situatio

6、n hopeless cheerful exploration anxiously sadnessexploration-tionCan you add more words?-less-ful-ness-lyexpectation careless organization useless peaceful beautiful happiness kindness quickly happily 很多单词都是通过加前缀或后缀变成一个很多单词都是通过加前缀或后缀变成一个全新的单词，这些全新的单词，这些前缀和后缀是有规律可前缀和后缀是有规律可循的循的，利用前缀和后缀来记单词，记忆效，利用前缀和后

7、缀来记单词，记忆效率可以大幅提升。率可以大幅提升。前缀改变单词词义，后前缀改变单词词义，后缀决定单词词性。缀决定单词词性。前缀前缀 后缀后缀prefix suffix否定、方向、程度否定、方向、程度体现单词的词性体现单词的词性-ful 形容词形容词-ment 名词名词-er 名词名词-ly 形容词、副词形容词、副词-en 动词动词dis-in-否定否定re-相反；再次；向后相反；再次；向后ex-出，外；以前的出，外；以前的pre-前前post-后后用括号内单词的正确形式填空。用括号内单词的正确形式填空。1.She was even more _(beauty)than I had rememb

8、ered.2.He expressed his _(sad)about what had happened.3.Jerry came into the room very _(quiet).beautiful sadnessquietly 后缀后缀意义意义例词例词-tion表示表示“行为行为”，这个后缀的引申，这个后缀的引申意有意有“行为的过程，结果，情况，行为的过程，结果，情况，性质，状态，动作性质，状态，动作”。attention -less表示表示“无无的，不的，不的的”homeless-ful表示表示“充满充满.的的”shameful-ness表示表示性质、情况、状态性质、情况、状态 darkness-ly副词后缀副词后缀，表示状态、方式、，表示状态、方式、程度、方向、次序、时间等程度、方向、次序、时间等 probably List more suffixes as many as you know and write down five words of each.