Unit 5 Launching Your Career Grammar素材 高中英语人教版（2019）选择性必修第四册

Unit 5 Launching Your Career - Grammar：Review of long sentences 一、语法导学（感悟规律 重点难点剖析） （一）语法感知 结合以下课文原句，完成小题： This，however，is not always easy. So try a few tests online and start thinking about your future career right now! This is because your career is a very important part of who you are. The top three scores are used to make a code that indicates the participant’s overall work personality. The best time to start thinking about possible careers is while you are still at school，before you make any choices about your further education. The career you have defines your life，and so taking time to think about it is an essential exercise for young people. 以上句子中，句 1 为简单句。 句 2 为由 and 连接的并列句。 句 3、句 4 和句 5 为主从复合句；在句 3 中，because 引导的是表语从句，who 引导的是宾语从句，都是名词性从句；在句 4 中，that 引导的是定语从句，修饰先行词 code；句 5 中 while 引导的是表语从句，而 before 引导的是状语从句。 句 6 为并列复合句，and 连接的是并列句，而 you have 是定语从句，修饰先行词 the career，引导词为关系代词that/which，在从句中作宾语，被省略。 （二）语法精析 句子按结构可分为简单句、并列句和复合句。 1. 简单句（Simple Sentences） 简单句是只有一个主语（或并列主语）和一个谓语（或并列谓语）构成的句子。例如： He often reads English in the morning.（他经常在早上读英语。） Tom and Mike are American boys.（汤姆和迈克是美国男孩。）（加黑部分为并列主语，只有一个谓语，仍为简单句） She likes drawing and often draws pictures for the wall newspapers.（她喜欢画画，经常为墙报画画。）（加黑部分为并列谓语，只有一个主语，仍为简单句） 2. 并列句（Compound Sentences） （1）并列句的构成 包含两个或两个以上主谓结构的句子叫并列句，句与句之间通常用并列连词或分号来连接。例如： The food was good，but he had little appetite.（食物很好，但他却没什么胃口。） One of the clock’s hands is short; the other two are long.（钟的一根指针短，另两根指针长。） （2）并列句的分类 关系类型 常用连词 例句 并列关系 and，not only...but also，neither...nor，both...and，not...but Neither Tom nor Jack has finished the homework.（汤姆和杰克都没有完成家庭作业。）Not couldn’t they complete the task，but the task was too tough.（不是他们完不成任务，而是任务太难了。） 转折关系 but，yet，whereas，nevertheless（但是；然而） John likes playing basketball，but he didn’t play it yesterday.（约翰喜欢打篮球，但他昨天没打。）Jane said that she was ill，yet/but/whereas I saw her in the street just now.（简说她病了，但我刚才还在街上看见她了。） 选择关系 or，otherwise ，or else，either...or We must hurry，or we’ll miss the train.（我们必须快点，否则会赶不上火车。）Either you come to my place or I go to yours.（或者你到我这儿来，或者我到你那儿去。） 因果关系 for，so We had better stay at home，for it was raining.（我们最好待在家里，因为天正在下雨。）He didn’t work hard，so he failed in the examination.（他学习不努力，因此这次考试不及格。） 对比关系 while I do every single bit of housework while my husband Tom just washes dishes now and then.（我做所有的 ... ...