Unit 3 Section A Grammar 课件 2026-2027学年人教版英语九年级上册

Unit 3 Smart Learning Section A Grammar 观察下面两个句子,它们的区别是什么？ I know him I know (that) he is friendly 主语 谓语 宾语 代词 句子 在复合句中作宾语的句子叫做宾语从句（object clause） Read the sentences. Circle the connecting words and underline the object clauses. 4a I believe (that) reading is important for learning. I think (that) the best way is to do maths problems. Peter finds (that) he can connect physics with something in real life. I wonder if / whether you could help me. I want to know if / whether you read English books outside class. 宾语从句三要素：连接词，语序，时态，让我们逐一学习 连接词 I believe (that) reading is important for learning. I think (that) the best way is to do maths problems. Peter finds (that) he can connect physics with something in real life. that 1. that 引导陈述句宾语从句，无词义，口语 / 非正式书写可省略； 主句的谓语动词常是think, believe, know, say等 汉译英 我相信明天会更好 I believe (that) tomorrow will be better. 连接词 if / whether I wonder if / whether you could help me. I want to know if / whether you read English books outside class. whether / if 表示“是否”，不可以省略. 主句谓语动词常是wonder, ask 等。其后句子用陈述句语序，在引导宾语从句时常常可以互换。 我问 他明天是否会来 例句： I ask if / whether I ask will he come tomorrow? he will come tomorrow 1. 当or not 直接跟在引导词后时 He doesn’t know whether or not they will come. He doesn’t know whether/if they will come or not. 2. 从句作介词的宾语时 Everything depends on whether they have enough time. 例题： I don't know she is right or not. We talked about we should go. whether/if whether 宾语从句中只能用whether 不能用if 的两种情况 Jim doesn’t know ___________ he can take part in the research project or not. My parents think ______ they need to be stricter about my studies. Ms Gao understands _____ some students need more time to improve. Terry wonders ___________ it will be easy to study courses on AI. Could you tell me ___________ this sentence is correct in English? Complete the sentences with that or whether / if. 4b that whether/if if / whether that if / whether 陈述事实 陈述事实 不确定 不确定 不确定 1. 找动词 2. 判断是否确定 宾语从句用陈述语序：主语+谓语+其他 1. 我觉得你会喜欢上打篮球的。 2. 你能告诉我他是否在打篮球吗？ I think (that) you’ll like playing basketball. Can you tell me if /whether he is playing basketball? 例题： 我不知道他是否能够帮助我。 I don’t know if/ whether___________help me. he can 宾语从句语序 1. 主句是___________，从句可以根据句意使用________， 2. 主句为__________，从句通常使用________的某种形式。 I am sorry to hear that you are sad. I know that you have moved to a new house. I hear that he didn’t go home yesterday. She asked me if I was free that Sunday. He didn’t know that Gina had left for Beijing. 一般现在时 任何时态 “主现从随便” 一般过去时 过去时态 “主过从也过” 宾语从句的时态 3. 当宾语从句所表达的客观事实，普遍真理或谚语时，无论主句是什么时态，从句都要用_________, 。 一般现在时 “客观事实永现在” 例题： The radio says it __________rainy tomorrow. (be) The teacher hopes everything ________well. (go) The teacher told students that light______faster than sound. (travel) How Hou Yi wished that Chang’e _________ come back.(can) will be Yesterday our teacher said that practice makes perfect. Grandma told me the sun rises in the east. goes travels could 宾语从句的时态 Complete the passage with the correct sentence parts. 4c A. by studying maths books B. He suggested that C. He wondered whether D. learning had many challenges E. It is hard to believe As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. ________ there was a way to continue learning.Finally, he decided to teach himself _________. Hua Luogeng later introduced a reading and learning method to young learners. _________ learners should read and take notes very carefully, then summarize the key points. C A B A. by studying maths books B. He suggested that C. He wondered whether D. learning had many challenges E. It is hard to believe He once said, “A book starts heavy and thick but becomes thinner as you understand it better.” As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies. _________ that such a talent also failed exams in school, but that was true for him. He said that _________ and it was important to take things step by step. E D List the learning methods that Hua Luogeng suggested. 1. He suggested that learners should read and take notes very carefully, then summarize the key points. 2. He said that learning had many challenges and it was important to take things step by step. Is Hua Luogeng an active learner? Why? Of course he is. After leaving school, he found ways to continue learning. He stayed positive no matter what difficulties he met in his life and studies. Exercise 1. I don’t know_____________he will come tomorrow. 2. She said_______she was tired 3. He asked me___________I had finished my homework. 一，用whether, if, that 填空 whether/if whether/if that 1. — Could you tell me ________ you will come to the party tomorrow? — I’m not sure. If I ________ free, I will go. A．if; am B．that; am C．if; will be D．that; will be 二，选择正确的选项 2. Danny asked his grandfather ________. A．if the Earth goes around the Sun B．if does the Earth go around the Sun C．if the Earth went around the Sun D．if did the Earth go around the Sun $