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课件网) Unit 4 Changing and Growing Grammar in Use 学习目标 理解后缀-less和-ful的基本含义及其在形容词中的用法；掌握过去进行时的结构、肯定、否定和疑问形式。 在句子和语篇中正确运用带后缀-less和-ful的形容词完成填空任务。 运用过去进行时描述图片中人物在过去某一时刻正在进行的动作。 在真实情境中综合运用所学后缀和过去进行时进行简单的口头或书面表达。 This T-shirt is unfolded. Your answer is incorrect. He looks unhappy. What’s in common 否定只能放在前面吗？ 新课讲授 Your advice is very helpful. Now I know how to solve the problem. He was a helpless kid. He was alone when the rainstorm came. Try to guess the meaning of the bold words. Grammar I Suffixes –less and -ful Your boss doesn’t allow any careless mistakes, so you’d better be very careful in your work. Activity 1 Look at the pictures and read the sentences. Pay attention to the words in bold. n.老板 adj. 粗心的；不小心的；不仔细的 The symbols are very useful to pay online, but they are useless without a cellphone. The doctor feels helpless to save the patient’s life. He wishes he could be more helpful. Presentation The doctor feels helpless to save the patient’s life. He wishes he could be more helpful. Why does the doctor feel helpless What does he wish The symbols are very useful to pay online, but they are useless without a cellphone. When are the symbols useful When are they useless What kind of mistakes are not allowed What should you be Your boss doesn’t allow any careless mistakes, so you’d better be very careful in your work. What’s the meaning of the –ful and – less 我们之前学过否定前缀，而-ful, -less是放在单词的后面，因此成为后缀（suffix）。 -ful ‘充满的、有...的’,表达的是积极的意义。 -less ‘没有...的”，缺乏...的’,表达的是消极的意义。 More examples care use power hope careful careless useful powerful hopeful useless powerless hopeless You all did great job. When I showed the words just now, you were thinking and answering positively. Activity 2 Complete the sentences with the correct form of the given words. Li Hong was _____(joy) because she got a good grade in the exam. After years of hard work, my uncle became _____(success) and now he lives an easy and comfortable life. You were doing very well yesterday. Be _____(hope) and you’ll succeed. He learned a lot after visiting many _____(wonder) places. Smoking is _____(harm). No one should smoke in public. joyful successful hopeful wonderful harmful n.喜悦；乐趣 adj.舒服的；自在的 v.吸烟 n. 烟；吸烟 公开地；在公共场合 Practice Activity 3 Complete the text and fill in the blanks. aimless helpful hurtful painful priceless useless painful aimless helpful hurtful useless priceless modal v. 可能 The Memorable Moment share Think about a memorable moment in your life, you MUST include: Use the past tense. Talk about your feelings with adjectives with – ful / - less. Production “One rainy afternoon, I was waiting for the bus after school. My friend was sitting next to me and ... ...
