Unit3 Smart Learning SectionA( 4a-4c)Grammar课件2026-2027学年人教版英语九年级上册

该初中英语课件聚焦that/if/whether引导的宾语从句，通过句子成分标注对比简单句与复合句，搭建从已知到未知的学习支架，帮助学生识别宾语从句的连接词和语序。 其亮点在于语法讲解层层递进，结合观察思考、例句分析培养思维品质，融入华罗庚事迹渗透文化意识，真实语境练习提升语言能力。评价环节多样，学生能巩固语法并培养学习策略，教师可高效开展语法教学。

Unit 3 Smart Learning SectionA (4a-4c) Grammar Focus 1.能够识别宾语从句，掌握that/if/whether引导的宾语从句的连接词和语序。 2.能够在真实语境中正确运用that/if/whether引导的宾语从句进行问答和表达。 Learning Objectives My grandma  knows   the boy. (          )  (      )  (       ) My grandma  knows   （that） the boy is from a small village. (          )  (      )          (             ) My grandma   tells   me  (that) she has been a teacher for 40 years. (          )   (   )   (   )        (             ) 标出下面句子的成分： Engagement What is the difference between the two sentences? 主 谓 宾 主 谓 宾 主 谓 宾 宾 词 句 词 间接宾语 直接宾语 双宾语 用句子取代宾语，称作宾语从句 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. 4a Read the sentences, circle the connecting words（连接词） and underline the object clauses(宾语从句). Explanation 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. 当及物动词后接一个__________作宾语时，该从句通常由______引导。that没有实际意义，不充当从句成分，通常可以______。 常见的谓语动词如believe、expect、explain、feel、hear、hope、imagine、prefer、promise、report、say、see、tell、think、understand、warn、wish等，其后可以接that引导的宾语从句。 陈述句 that 省略 Exploration My grandma tells the truth. The earth goes around the sun.合并为一句→ My grandma tells( that) the earth goes around the sun. 观察与思考 当主句表达“想知道、不确定一件事是不是真的”，就要用_____ 或__________引导宾语从句，意为“是否”，不可省略。 if whether Explanation 观察与思考 I want to know about it. Could you help me?  合并为一句→ I wonder if / whether you could help me. I want to know. Do you read English books outside class？合并为一句→ I want to know if / whether you read English books outside class. What are the differences between “ if ” and “ whether ” ? • I don’t know if / whether I can improve my English fast. • It depends on whether I practise speaking every day. • I wonder whether I can memorize more words or not. • He asked whether to finish the homework before ten. Whether you read English books outside class ,I know wonder. 1. 当 if 和 whether 用在谓语动词后面表示“是否”时, 两者可互换。 2. 下列四种情形，只能用whether： 当宾语从句置于______之后时，引导词只能用whether。 当宾语从句中含有________时，只能用whether。 当从句以“whether + _______________”的结构出现时，引导词只能用whether。 当whether引导的从句置于_____起强调作用时，引导词只能用whether。 介词 不定式 (to do) 句首 取决于 or not Explanation 观察与思考 观察主句谓语动词为一般现在时和一般过去时时，从句时态特点 • I hear that she was an English teacher two years ago. • I hear that she is an English teacher now. • I hear that she will be an English teacher in the future. 主现从任意 • I heard that she was an English teacher. • I heard that she would be an English teacher. • I knew that she was doing homework now. 主过从过 • He says the moon goes around the earth. • He told me that light travels faster than sound. 真理永一现 Elaboration Complete the sentences with that or whether / if. 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? whether that that whether/if whether/if Evaluation be strict with sb about sth.在某事上对某人严格 参加 研究项目 学习人工智能课程 正确 Look at the picture and answer the questions. 1. Do you know who the man in the picture is? He is the mathematician Hua Luogeng. 2. What else do you know about him? Let’s read and get more information. Read and complete the passage with the correct sentence parts. 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 ______. Huo Luogeng later introduced a reading and learning method to young learners. _______ learners should read and take notes very carefully, and then summarize the key points. 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. A. by studying maths books B. He suggested that C. He wondered whether D. learning had many challenges E. It is hard to believe A. by studying maths books C. He wondered whether E. It is hard to believe B. He suggested that D. learning had many challenges C A B E D 挑战 Explanation Read again and answer the questions. 1. What difficulties did Hua Luogeng face? He left school early and had to support his family. Although he was a talent ,he failed exams. 2. What are Hua Luogeng’s learning methods? Read carefully. Summarize key points. Take notes. Review regularly. Elaboration As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. He wondered whether there was a way to continue learning. Finally, he decided to teach himself by studying maths books . Huo Luogeng later introduced a reading and learning method to young learners. He suggested that learners should read and take notes very carefully, and then summarize the key points. 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. It is hard to believe that such a talent also failed exams in school, but that was true for him. He said that learning had many challenges and it was important to take things step by step. 单项选择题。 (    )1. I wonder ________ he will come to our party this evening. A. that    B. if    C. what     D. where (    )2. She told me ________ she had already finished her English homework. A. if     B. whether   C. that    D. when (    )3. I don’t know ________ he can pass the maths exam or not. A. that    B. if    C. whether   D. which (    )4. The teacher asked us if we _______hand in our homework on time. A. can   B. could     C. will       D. may (    )5. He thinks ________ he will go to Beijing for a trip next week. A. that    B. if    C. whether   D. who Evaluation B C C B A $