IT职业英语 高巍巍 YF-Grammar 语法 unit3 Sentences句子新.ppt

Grammar 语法 Unit 3 Sentences句子 一、句子基本类型 1. 肯定句: A computer is a tool.A computer does a lot of things for people.A computer can be connected with others. 2. 否定句: A computer is not just a tool.A computer does not do all things for people.A computer can not work without an operating system. 3. 一般疑问句: Is a computer a tool?Does a computer do a lot of things for people?Can a computer be connected with others? 4. 特殊疑问句: What is a computer?What does a computer do?What can a computer do? 5. 反义疑问句: You like your computer teacher, don’t you?They won’t break the mobile hard disks, will they?I am late, aren’t I? (conversational); am I not? (formal)I don’t think he can finish his work in time, can he? 6. 祈使句: Go to a computer shop.Don’t go to an Internet bar at night. 7. 感叹句:What a wonderful computer!How beautiful the laptop is! 注意：特殊疑问词是：what, who, when, where, why, how, etc. 二、句子成分 主语、谓语 (Verb动词)、宾语、定语、状语、补语 三、句子主要成分 句子主要成分是主语、谓语（动词）。 四、从句或分句 从句包括主语和谓语，从句是构成一个完整句子或句子一个部分的基础。 五、简单句和复杂句 简单句只包含一个从句。简单句的主要结构是：主语、谓语和宾语。我们经常用SVO来表示主语、谓语和宾语。 复杂句包含一个或多个主句以及一个或者多个附属从句。复杂句有：名词性从句、状语从句、定语从句和其他类型的从句。 六、从句 1. 名词性从句名词性从句有：主语从句、宾语从句、表语从句、同位语从句。 2. 状语从句 状语从句有：时间/地点/程度/目的/结果/原因/条件/让步/方式 状语从句。 3. 定语从句定语从句有：限定性定语从句和非限定性定语从句。 Exercise Name the following sentences with a correct type: Positive sentence; Negative sentence; Yes-No question; Wh- question; tag question; Imperative sentence or Exclamatory sentence: 1. Computer games are interesting. Lap tops are not as expensive as they were in the past. Is it an operating system? 4. What is the most popular computer brand? 5. The man is a computer programmer, isn’t he? 6. Please take your lap top with you when you come. 7. What a wonderful make! Exercise What clause is contained in each of the following sentences? 1. How they teach the students is completely a joke. 2. I think that computer-based teaching methodology will be widespread world wide. 3. It is true that students like chatting online more than talking