Unit 2 Let's talk teens 句子类型 教学设计-2024-2025学年高中英语译林版(2020)必修第一册

Unit 2 Let's talk teens 句子类型 Teaching aims Bey the end of the class,students will be able to (1) knowledge aim categorize the elements of a simple sentence, a compound sentence and a complex sentence. (2) ability aim summarize the general rules of the three kinds of sentence structures. (3) emotion aim develop the awareness of appropriate sentence structure in new situation. Teaching key points (1) to distinguish and choose the right sentence structure (2) to master the basic structures of three kinds of sentences. Teaching difficult points (1) To apply appropriate sentence structure in new situation. (2) to categorize the elements of sentence structures Teaching aids multiple media, blackboard and textbook. Teaching method Task-based teaching method. Teaching procedures Step1. Lead in Watch a video and try to describe the scene. ①他们要去和人打架。 They are going to have a fight with someone. Simple sentence ②他们要去和人打架，但是我不知道为什么。 They are going to have a fight with someone,but I don't know why. Compound sentence. ③我想知道他去和谁打架。 I wonder whom they are going to have a fight with. Complex sentence. Step2. Presentation To explain the meaning of sentences’ types. Simple sentence 简单句 简单句是由一个语或并列主语和一个谓语或并列谓语构成的句子. 1.并列主语 You and I are good friends. Lucy and Lily like working here. 2.并列谓语 She opend the door and entered the room. According to the definition of simple sentences, how many collations will they have. ①一个主语十一个谓语 Mary plays tennis. ②并列主语十一个谓语 Mary and Helen play tennis. ③一个主语+并列谓语 Mary plays tennis and loves cooking ④并列主语+并列谓语 Mary and Helen play tennis and love cooking. compound sentence 并列句 并列句是由并列连词或分号 把两个或以上简单句在一起构成的句子。 I drink green tea,but they drink coffee. Judge the following sentences are compound sentences or not. 1.I like apples and bananas. 2.I was tired,so I went home early. 3.When I got home,my wife was cooking din 4 She likes bread but she doesn't like eggs at all. 5.We finished all day; we didn't catch a thing 常见的并列连词 1.表示并列，递进关系 and,both...and., as well as, not only... but also.neither….. nor.. 2.表示转折对比关系 but,however,yet, while. 3.表示因果关系 so,for,therefore,hence. 4表示选择关系 or, either…or... Complex sentence复合句 定义：复合句是由一个主句和一个或多个从句构成的句子。从句不能独立存在，它在句子中充当某种成分，如主语、宾语、表语、定语、状语等。 1.主语从句：在句子中充当主语，引导词有that、whether、what、who等。例如：What he said is very important.（他所说的话很重要。）“What he said”是主语从句，在整个句子中作主语。 2.宾语从句：在句子中充当宾语，常跟在及物动词或介词后面。引导词和主语从句类似。例如：He said that he would come.（他说他会来。）“that he would come”是宾语从句，作“said”的宾语。 3.表语从句：在句子中充当表语，位于系动词之后。例如：The problem is whether we can get there on time.（问题是我们是否能准时到达那里。）“whether we can get there on time”是表语从句。 4.定语从句：在句子中充当定语，用来修饰名词或代词。引导词有that、which、who、whom、whose等。例如：The book that I bought yesterday is very interesting.（我昨天买的那本书很有意思。）“that I bought yesterday”是定语从句，修饰“book”。 5.状语从句：在句子中充当状语，根据其表达的意思可以分为时间状语从句（引导词有when、while、as等）、地点状语从句（引导词有where等）、原因状语从句（引导词有because、since、as等）、条件状语从句（引导词有if、unless等）、目的状语从句（引导词有so that、in order that等）、结果状语从句（引导词有so…that、such…that等）等。例如：When I got home, my mother was cooking.（当我到家的时候，我妈妈正在做饭。）“When I got home”是时间状语从句。 Teaching Reflection. 1.When leading and explaining new knowledge, teachers should use some methods which are more intuitive, and more effective to present 2. The process of teaching something new should be slow as far as you can.The development of teenagers determines their ability of acceptance. 学科网（北京）股份有限公司 $$