Unit 5 Celebrations-Grammar 现在完成时课件（共13张PPT）-2022-2023学年中职英语新高教版（2021）基础模块1

1、现在完成时现在完成时GrammarFT Clothing and ABC Shopping have been business partners for over ten years.Have you been to a welcome party before?Your support has played an important role in our companys growth.现在完成时Grammar现在完成时的基本结构肯定句否定句一般疑问句肯定回答否定回答主语 + have / has + 动词过去分词 + 其他.主语 + have / has + not + 动词过去分词

2、+ 其他.Have / Has + 主语 + 动词过去分词 + 其他Yes, 主语 + have / has.No, 主语 + have / has + not.现在完成时( The Present Perfect Tense) have/has done是过去的动作或状态持续到现在，或对现在造成的影响，可能持续发生下去。现在完成时Grammar动词过去分词变化规则(1)一般动词，在词尾直接加“-ed ” work-worked, visit-visited(2)以不发音的“e、ue”结尾的动词，只在词尾加“-d ” live-lived(3)以“辅音字母+ y ”结尾的动词，将y变为i，再加

3、“-ed” studystudied,crycried,trytried(4)“重读闭音节”结尾，且末尾只有一个辅音字母（w、y、x除外），辅音字母前只有一个元音字母，先双写该辅音字母，再加“-ed”stopstopped, planplanned(5)以c结尾的动词，要变c为ck，再加“-ed” picnicpicnicked，traffictrafficked(6)以及一些不规则变化动词 be-been, buy-bought, cut-cut例句含义Lucy isnt at home. She has gone to the welcome banquet.Lucy has been t

4、o the opening ceremony before.Lucy has been in China for a week.特殊结构用法:已经去了，还没回来曾经去过已经在某地待了多久用现在完成时补全以下句子。Read and complete.1) We (buy) enough beverages for the party. 2) The rain (stop) already. We can begin the opening ceremony. 3) The company (open) five new stores this year. 4) How long the stud

5、ents (prepare) for the banquet? 5) John (not be) to any parties since October. 6) Mary is not at home. She (go) to an office party.have boughthas stoppedhas openedhavehas not beenhas goneprepared用现在完成时补全以下句子。Read and complete.1) We (buy) enough beverages for the party. 2) The rain (stop) already. We

6、 can begin the opening ceremony. 3) The company (open) five new stores this year. 4) How long the students (prepare) for the banquet? 5) John (not be) to any parties since October. 6) Mary is not at home. She (go) to an office party.have boughthas stoppedhas openedhavehas not beenhas goneprepared（ ）

7、（ ）（ ）（ ）（ ）1) The Chinese have celebrated the Spring Festival2) They have been friends3) The opening ceremony began 4) Parties have become more and more popular5) The Peoples Republic of China was founded将以下句子与相应的时间状语相匹配。Read and match.A. in 1949.B. in recent years.C. at 10 oclock yesterday morning

8、.D. for thousands of years.E. since they met at the event last year.DECBA现在完成时不能单独与准确时间状语连用（如表示过去的时间状语）:如yesterday(morning、afternoon),last（morning、afternoon）等，除非与for, since连用。现在完成时往往同表示不确定的过去时间状语连用: 如already（肯定句中），yet（否定，疑问，句末），just, before, recently, still, lately, ever等： I have already read this b

9、ook.我已经看完这本书了。I havent seen much of him recently (lately).我已经很久没有看到他（最近的）。We have seen that film before.我们以前已经看过那部电影了。现在完成时态经常与表示频率的时间状语连用，如often, sometimes, ever, never, twice, on several occasion等：Have you ever been to Beijing?你以前去过北京吗？I have never heard Bunny say anything against her.我从来没有听到Bunny

10、说她的坏话。I have used this pen only three times. It is still good.这支钢笔我只用过三次。它仍然是好的。用现在完成时梳理自己入学以来在以下方面的变化，并与同伴交流。Think and talk. D选择合适的短语，用其适当形式补全以下句子。Choose and complete.on behalf of1) Li Mei with all the preparation work.2) They have the marketing event.3) John went to the business event his company.

11、4) The kids are the Spring Festival celebration.5) They want to more people the party.invite to play an important role inneed a handlook forward toneeds a handplayed an important role inon behalf oflooking forward toinvite to用所给单词的适当形式补全以下短文。Read and complete.Writing a(n) 1) is one of the first jobs when you 2) for an event. It should include all the important information. For example, you need to make sure that the invited person know the purpose, the time an