Unit2 Section A Grammar Focus-4c课件 2023-2024学年人教版八年级英语下册

Unit2 I’ll help to clean up the city parks. Section A Grammar Focus - 3c Aims Master some important words and phrases. 1 Grammar focus: Non finite verbs (infinitive verbs);The usage of objects, object complements, and target adverbs. 2 Master the relevant knowledge of "helping others and participating in social welfare activities"topic. 3 Revision Fill in the blanks. Mario and Mary _ _ several hours each week _ _ others. Mario wants _ _ an animal doctor. He _ at an animal hospital. He wants _ _ more about _ _ care for animals. Mary is a book lover. She could read by herself _ _ _ of four. Last year, she decided _ _ _ for a volunteer after-school _ program. Mary still works there once a week _ _ kids _ _ read. Volunteering here is a dream come true for her. She can what she _ _ _and helps others at the same time. give up to help to be volunteers to learn how to at the age to try out reading to help learn to loves to do Can you tell something about Mary to us? Presentation Read the sentences and find out the infinitives and phrasal verbs. Presentation 动词不定式 “to+动词原形”被称为动词不定式, 常写作to do(有时to可以省略),否定形式为not to do。 该形式又被称为动词的非谓语形式, 在句中除了不能作谓语外,可作其他成分, 没有人称和数的变化。 Presentation 观察下列不定式在句中的作用。 1. To see is to believe. 2. Tom wants to see an alien. 3. My brother got up early to watch the final soccer game on TV. 4. He was too excited to say a word. 5. The sad movie made us cry. 6. It is important for us to drink enough water. 主语 表语 宾语 目的状语 结果状语 宾语补足语 真正的主语 Explanation 动词不定式用法 1. 做动词宾语。 常见动词有would like, want, help, learn, hope, decide, volunteer。 e.g. We don’t _ too much money. 我们不想花费太多钱。 want to spend 2. 作宾语补足语。 常见动词有ask, want, tell, invite, like, hate。 e.g. Mr. Li _ the students_the text. 李老师让学生们抄写课文。 asks to copy Explanation 动词不定式用法 3. 作目的状语。 e.g.Jack turned his head around to look at people. 杰克转过头看向人群。 4. 作后置定语。 e.g. Claire missed a great chance to make his dream come true. 克莱尔错过了实现梦想的机会。 Explanation 动词不定式用法 5. 动词help及一些役使动词后面常省略to。 e.g. My mother wouldn’t . 妈妈不会让我去看电影的。 le