人教版八年级下册英语Unit 8-Unit 10 Grammar 现在完成时复习课教学ppt课件（含视频）.ppt

1、Learning goals 1. Knowledge goals: a. Know the structure of the Present Perfect Tense. b. Learn the usages of the Present Perfect Tense. 2. Ability goals: a.Can use the Present Perfect Tense to talk about things. b. Know the importance of English grammar. 3.Emotion goals: a. Try to help each other,

2、cooperate with others. b. Love our family and friends. Watch and find : What are they doing? What does Peppa do for her brother? Why? What special sentences are there? They are playing in the muddy puddles. Peppa likes to look after her little brother, George. She asks George to wear his boots. She

3、checks the puddle for George. Peppa has found a little puddle. It has stopped raining. has + done（动词过去分词动词过去分词） 现在完成时现在完成时 What special sentences have you found? George has found a big puddle. 否定否定 have not (havent) has not (hasnt) 疑问疑问 Have +主语主语+ ? Has +主语主语+ ? 肯定肯定 句式句式: Yes, have/has. No, havent

4、/hasnt. 答语答语 构成：构成：主语主语+have / has + vt. 过去分词过去分词(done) The structure:现在完成时的结构现在完成时的结构 助动词，无实义助动词，无实义 动动 词词 的的 过过 去去 式式 以以 及及 过过 去去 分分 词词 的的 变变 化化 规规 则则 变变 化化 不不 规规 则则 变变 化化 (1) 直接加“直接加“ ed ”。 work-worked- worked (2)以“以“ e ”结尾的动词，结尾的动词，只只在词尾在词尾加加 “ d ”。 live-lived-lived arrive-arrived-arrived (3)以“以

5、“辅音字母辅音字母 + y ”结尾的动词，结尾的动词，将将 “ y ” 变为变为 “ i ” ，再加，再加“ ed ”。 study-studied-studied (4)重读闭音节重读闭音节结尾，末尾只有一个辅音字结尾，末尾只有一个辅音字 母，母，先双写该辅音字母，再加“先双写该辅音字母，再加“ ed ”。 shop-shopped-shopped AAA: put-put-put read-read-read ABB: find-found-found keep-kept-kept ABA: become-became-become ABC: see-saw-seen sing-sang-

6、sung AAB: beat-beat-beaten Peppa has found a little puddle. 否定：否定： 一般疑问：一般疑问： 回答：回答： Peppa hasnt found a little puddle. Has Peppa found a little puddle ? Yes, she has. No, she hasnt. She opened the door just now. She has already opened the door. She opened the door. present (now) future past The doo

7、r is open. 过去发生的动作对现在造成的影响或结果。过去发生的动作对现在造成的影响或结果。 常与常与already(已经已经), yet(已经已经), before (以前以前), just(刚刚刚刚), ever(曾经曾经), never(从不从不)等词连用等词连用. She has already opened the door. Have you finished your homework yet? I havent finished my homework yet. 过去发生的动作对现在造成的影响或结果。过去发生的动作对现在造成的影响或结果。 常与常与already(已经已经

8、), yet(已经已经), before (以前以前), just(刚刚刚刚), ever(曾经曾经), never(从不从不)等词连用等词连用. already常用于常用于肯定句句中或句末肯定句句中或句末； yet常用于常用于一般疑问句或否定句句末一般疑问句或否定句句末。 含有含有already 的句子变一般疑问句或否定的句子变一般疑问句或否定 句时，句时， 应把应把already改为改为yet，放在句末。，放在句末。 already 用用already 或或yet 填空填空 1.I have _ read this book. 2.Has Ben written an English le

9、tter _? 3.Tom has _ known Bob. already 4.Lucy hasnt had lunch _. yet yet She has already opened the door. 1.（2009，山东山东） _you ever _ (read) the poem If ? Yes. I really enjoy it. 2.（2015，南充），南充）Our teacher _(not have) breakfast yet. 3.（2016，临沂），临沂）I want to go to Mars（火星），（火星）， because its a place tha

10、t no one _ to before. A: go B: has been C: was D: went Have read hasnt had I have taught English for 20 years. I have taught English since 1998. 1998 2018 taught English teaching English 20years have taught English 过去已经开始，持续到现在的动作或状态。过去已经开始，持续到现在的动作或状态。 常与常与for、since等引导的时间短语或从句连用等引导的时间短语或从句连用. for:长

11、达长达 for: +一段时间一段时间 for a year for two weeks for three years +过去的某一时刻过去的某一时刻 since nine since last week +一段时间一段时间+ago since two weeks ago +一般过去时态的时间状语从句一般过去时态的时间状语从句 since you came here since you got home Since 自自以来以来 since , for 的用法的用法: two weeks last month I came here he was born 10 years two years

12、 ago 1998 5 weeks ago for since Match for or since with the expressions 1.（2018，安顺），安顺）Andy has been a teacher _. A .for two years ago B. since two years C. in 2016 D. for two years 2.（2018，扬州），扬州）I have had the bike_ I was 15 years old. A . before B. for C. since D. just medium level According to t

13、he video, use the tense to make up your own dialogues. What have we learned in this lesson? Love makes the world go around. （爱让世界转动）（爱让世界转动） Remember, youre the one who can fill the world with sunshine. （记住，你是能让世界洒满阳光的人。）（记住，你是能让世界洒满阳光的人。） Homework A. Finish off the exercises. B. Write a passage abo

14、ut your favorite star, using the Present Perfect Tense. A.写出下列动词的过去式和过去分词：写出下列动词的过去式和过去分词： work _ _ live _ _ study _ _ shop _ _ worked worked lived lived studied studied shopped shopped Easy B. 写出下列动词的过去式和过去分词：写出下列动词的过去式和过去分词： do _ _ have _ _ find _ _ eat _ _ did did had had found found ate eaten Ea

15、sy A.用所给词的适当形式填空用所给词的适当形式填空. 1、Excuse me. Have you _ (see) my dictionary? 2、She has _ (find) her lost key. seen found Medium level B.用所给词的适当形式填空用所给词的适当形式填空. 1、Bob _ already _ (open) the window. 2、_ you _ (read) todays newspaper yet? has opened Have read Medium level A.按要求改写下列句子按要求改写下列句子. 1.I have al

16、ready read the book.（改为否定句）（改为否定句） _ 2、Bob has ever been to Beijing.（改一般疑问（改一般疑问 句）句） _ I havent read the book yet. Has Bob ever been to Beijing? Hard B.按要求改写下列句子按要求改写下列句子. 1. My father has worked for 10 years.（同义句）（同义句） _ 2. Have you finished your homework? (肯定回答）肯定回答） _ My father has worked since 10 years ago. Yes I have. Hard