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1、U5 GrammarThe Present Perfect Tense,an educational exchange,study in another country,My experience of an educational exchange,stay with a host family,experience a different culture,make new friends,take part in local activities,go sightseeing,I went to Edinburgh several years ago.I have been to Edin
2、burgh.,now,in the past,She cleaned the blackboard just now.,The blackboard is clean.,She has cleaned the blackboard.,I went to Edinburgh several years ago.,I know something about Edinburgh.,I have been to Edinburgh.,The present perfect tense,The present perfect tense现在完成时,用法一(P71)：,表示过去发生的动作对现在造成的影响
3、或结果,To talk about things that happened _ but have a connection to _in some way.,in the past,the present,Work out the rule,We form the present perfect tense with _ or _+the past participle(过去分词)of the main verb.,have,has,have/has+P.P.,规则变化,不规则变化,cooked,cooked,studied,studied,bought,bought,met,met,saw
4、,seen,did,done,Eric,Eric,As a foreign exchange student,Eric has been in Beijing for a week.What can he do in Beijing?,To:MumFrom:EricDear Mum,Ive been in Beijing for a week now.I(1)_(meet)my host family.Theyre really friendly.My host brother Wei and I(2)_(play)a lot of football at a park near his ho
5、me.We both enjoy football very much.Mrs.Li,my host mother,(3)_(cook)me delicious Chinese food.I(4)_(study)Chinese with my British classmates.We(5)_(see)some places of interest in Beijing too.However,I(6)_(not,visit)the Great Wall yet,and I(7)_(not,do)any shopping either.Ill do these things next week
6、.Love,Eric,Eric has been in Beijing for a week.Complete his email to his mother with the present perfect tense of the verbs in brackets.,have met,have played,has cooked,have studied,have seen,havent visited,havent done,Eric has met his host family.And he and Wei have played a lot of football at a pa
7、rk.Mrs.Li has cooked delicious Chinese food for Eric.In addition,Eric has studied Chinese with his British classmates.Besides,he has seen some places of interest in Beijing.However,he hasnt visited the Great Wall yet,and he hasnt done any shopping.,yet,yet,已经,已经(句末）,还未（句末）,Work out the rules,already
8、,already,already,Form of the Present Perfect Tense,XXX,Have you yet?,Yes,I have already.No,I havent yet.,visit Canton Tower,climb Baiyun Mountain,watch Canton Opera,Work in pairs to ask each other about what you have done and havent done.,a birthday party,invite,prepare,buy,make,cook,roast,buy,do so
9、me cleaning,buy,Tomorrow is Erics birthday.Erics host family are going to hold a party for him.,Wei:Mum,have we bought a present yet?,Mrs Li:Yes,we have already bought a present.No,we havent bought a present yet.,主,P.P.,主,主,P.P.,P.P.,Suppose you are Erics host mother.Write down what you have and havent done for the party.,Tomorrow is Erics birthday.We are going to hold a party for him.I have listed what we have and havent done for the party.Now lets check them together.We have _However,_,What have we learned today?,现在完成时的基本句型：,现在完成时的运用：现在完成时常和副词already,yet等连用。,Summary,Thank you!,
