1、The Present Perfect Tense,We use the simple past tense to talk about what happened at a definite time in the past.Past present Eddie was born four years ago.,We use the present perfect tense to talk about things that started in the past and still have some connection with the present. Eddie has live
2、d with Millie since he was born. Eddie has lived with Millie for four years.,present,Past,Past,present,4 years,一、现在完成时的构成1. 现在完成时的肯定句句型: 主语 + have /has +过去分词。 We have lived in Beijing. He has lived in Beijing. I have finished my homework.,2. 现在完成时的否定句句型:主语 + have/has+ not+过去分词 I have not seen the mo
3、vie yet. He hasnt been to Beijing since then,the past particles of some verbs,Making sentencesMr.Wu asks the students to complete the sentences below using the present perfect tense.Help them complete the sentences.They_(go) to the cinema already.Mr And Mrs.Li _(not come) back yet.John_ (be) to the
4、USA a few times.We _ (not see)that film yetI _ (not talk)to my cousin since last Friday.You _ (not visit) me for a long time.,have gone,have not come,has been,have not seen,have not talked,have not visited,3.现在完成时的一般疑问句句型 Have/Has+主语+过去分词+. Have you finished the work? Has she arrived here?4.现在完成时的特殊
5、疑问句句型 特殊疑问词+have/has+主语+过去分词+.How many times have you been to the Great Wall?,Chat timeMillie and Sandy are talking about a film about Hong Kong.Complete their conversation.Use the correct forms of the verbs in the brackets.M : _ you _ (see)any films recently, Sandy?S : No, I _.What about you?M : Ye
6、s, I _ (see)one. S : What is it about?M : I _ (forget) the title.Its about Hong Kong.,Have,seen,havent,have seen,have forgotten,S: _ your cousin _ (go) with you?M : No, he _.He _ (be) very busy this week.S : Did you enjoy this film? M : Yes, I did.I _ (learn)a lot about Hong Kongs past and present._
7、 you _ (visit)Hong Kong before? S : No, I _.But I have heard about Hong Kongs new airport.,Did,go,didnt,has been,have learnt,Have,visited,havent,M : Do you know how long it has in service.S : No, I dont.M : Let me tell you.It_(be) in service since 1998.S: Oh,so it was one year after Hong Kongs retur
8、n to China!M: Yes. You must go and watch that film if you want to learn more about Hong Kong.,has been,表示现在完成时的时间副词,一、since短语或从句表示过去的动 作延续至今,since之后的时间为一点。 Mr. Smith has worked here since 1984. 1984年以来,史密斯先生一直在这工作。Hes learned about 5,000 English words since he went to college.他上大学以来大约学了五千个英语单词。,二、fo
9、r短语表示动作延续多长时 间,for的宾语为时间段。 We have known each other for twenty years. 我们认识有二十年了。 I havent seen her for a long time. 我好久没有见到她了。,三、just, recently是完成时的时间状语,just now 有a moment ago 之意,是一般过去时的时间状语。The train has just arrived. 火车刚到。Did you see Joan just now? 你刚才看到琼了吗?Have you heard from your family lately/r
10、ecently? 你最近收到家人的来信了吗?,四、ever和never也是现在完成时常见的时间状语。前者意思是“曾经”,多见于疑问句或否定句中;后者意思是“从来没有”,表示全部否定。“Have you ever seen the film?” “No. I have never seen it.”“你曾经看过这部影片吗?” “没有, 从来没看过。”Nobody in our class has ever been there. 我们班没有人去过那。,五、already和yet常见于现在完成时中,有“已经”之意。前者一般用在肯定句中,后者用在疑问句中。yet在否定句中有“还”之意。“Has th
11、e bus left yet”? “Yes. It has already left.” (“No. It hasnt left yet.) “汽车开走了吗?” “是的,已经开走了。” “不,还没有开走。 ”,六、 “already” 用于现在完成时的肯定句中, “yet” 用于现在完成时的否定句和疑问句中. 用“already” “yet”填空。 He has ( ) visited many places in China. 注意 already 在句中的两种位置. The train hasnt arrived ( ). 火车(到现在)还没有到。 Has she arrived ( )? 她已经到了吗?Hasnt he come ( )? 她还没来吗?,already,yet,yet,yet,