Unit 2 Let’s talk teens Period 3 Grammar and usage（精讲课件） - 2023-2024学年高一英语上学期同步精品课堂（译林版2020必修第一册）

Unit 2 : Let’s talk teens Period 3 : Grammar and usage 译林版英语必修一 1. Categorize simple, compound and complex sentences; 2. Distinguish and write simple, compound and complex sentences; 3. Apply appropriate sentences in different writing situations. Teaching objectives 观察例句 1．My uncle is a policeman. 2．The Internet is useful and we use it a lot. 3．I have travelled to many places，but I still want to visit more. 4．They have different ideas，so they have solved the problem in different ways. 简单句 并列句 并列句 并列句 观察例句 5．I hope that high school will be more exciting. 6．As I grew older，I became more interested in poems. 7．The watch which was lost has been found. 8．That he suddenly fell ill last week made us surprised. 复合句 复合句 复合句 复合句 归纳用法 简单句是只含一个主谓结构的句子，按使用目的可分为陈述句、疑问句、祈使句和感叹句。 1.She is fond of collecting stamps. 2.Can you finish the work in time? 3.What good news it is! 简单句 归纳用法 两个或两个以上的简单句用并列连词连在一起构成的句子，叫作并列句，其基本结构是“简单句＋并列连词＋简单句”。 1.The watch was cheap，but it goes quite well. 2.It was late，so we went home. 3.Hurry up，or you'll miss it all. 并列句 归纳用法 1. 表示同等、平行或承接关系，常用连词and，both. . . and，not only. . . but also. . . ，neither. . . nor. . . ，as well as等。 2. 表示转折关系，常用连词but，yet(然而), however(然而), while(而)等。 并列句 归纳用法 3. 表示选择关系，常见连词or，not. . . but(不是……而是……), either. . . or. . . (要么……要么……)等。 4. 表示因果关系，常见连词because, as，for(因为), so等。 并列句 归纳用法 复合句由一个主句和一个或一个以上的从句构成。主句为句子的主体，从句只用作句子的一个次要成分，不能独立成为一个句子。 1.The trouble is that we are short of money. 2.They think that the bridge was built 100 years ago. 3.When you finish the work，you may go out to play with Sam. 复合句 考点一 状语从句 when, while, before,after, until, since, as soon as ①He didn’t get home until 9 p. m. last night. 他直到昨天晚上九点才到家。 ②I’ll call you up as soon as I arrive in Beijing. 我一到北京就给你打电话。 时间状语从句 考点一 状语从句 if, unless, as long as. You’ll be kept out of the party unless you have an invitation 如果没有请柬，您是无法参加这个聚会的。 条件状语从句 考点一 状语从句 so that, in order that The new company gave away lots of ads in order