单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,最新初中英语精品课件设计,*,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Unit5,Educational,exchanges,Grammar,最新初中英语精品课件设计,Unit5Grammar最新初中英语精,A The present perfect tense,We use,the present perfect tense,to talk about things that happened in the past but have a connection to the present in some way,最新初中英语精品课件设计,A The present perfect tense,I/You/We/,They,have made,have not made,a lot of new friends,Have,I/you/we/they,made,Yes,No,I/you/we/they,have,have not,a lot of new,friends,最新初中英语精品课件设计,I/You/We/have madea lot of new,He/,She/It,have made,have not made,a lot of new friends,Has,He/She/It,made,Yes,No,He/She/It,have,have not,a lot of new,friends,最新初中英语精品课件设计,He/have madea lot of new frien,Work out the rule,We form the present perfect tense with _or _+past participle of the main verb.,have,has,最新初中英语精品课件设计,Work out the rule havehas最新初中英,Things to remember,I/You/We/They have=Ive/Youve/Weve/Theyve,He/She/It has=Hes/Shes/Its,have not=havent,has not=hasnt,最新初中英语精品课件设计,Things to rememberI/You/We/The,The,past participle,of a regular verb is usually the same as its past tense.You can find the,past participles,of some irregular verbs on pages 141 and 142.,规则动词的过去分词和过去式一样,不规则的动词过去分词见,P141,和,P142.,arrive-arrived arrived,go went-gone,最新初中英语精品课件设计,The past participle of a regul,Eric has been in Beijing for a week.Complete his email to his mother with the present perfect tense of the verbs in brackets.,To:Mum,From:Eric,Dear Mum,Ive been in Beijing for a week.I(1)_,_(meet)my host family.,have,met,最新初中英语精品课件设计,Eric has been in Beijing for,Theyre really friendly.My host brother Wei and I(2)_(play)a lot of football at a park near his home.We both enjoy football very much.Mrs.Li,my host mother,(3)_(cook)me delicious Chinese food.,have played,has cooked,最新初中英语精品课件设计,have played has cooked最新初中英语精品,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.I will do these things next week.,Love,Eric,have studied,have seen,havent visited,havent done,最新初中英语精品课件设计,I(4)_(study)Chi,B,The present perfect tense with,already,yet,ever,and,never,We can use,already,yet,ever,and,never,with the,present perfect tense.,最新初中英语精品课件设计,B The present perfect tense w,Sarah has,already,seen many places of interest in Beijing.,Have you seen the Great Wall,yet,?,No,I have not seen the Great Wall,yet,.,Have you,ever,visited the Summer Palace?,No,I have,never,visited the Summer Palace.,最新初中英语精品课件设计,Sarah has already seen many pl,Work out the rule,We can use the adverbs,already,ever,and,never,(before/after)have/has,and(before/after)the main verb.,We often use,yet,at the(beginning/end)of,a question or a negative sentence.,最新初中英语精品课件设计,Work out the rule 最新初中英语精品课件设计,我们可以把,already,ever and never,放在,have,has,或者实义动词前或者后面。,把,yet,放在疑问句或者否定句中，置于句子的结尾。,最新初中英语精品课件设计,最新初中英语精品课件设计,Sarah wants to know whether the students from Beijing have visited any places in London before.Ask and answer questions in pairs.Follow the example.,B1,最新初中英语精品课件设计,B1最新初中英语精品课件设计,S1:,Has Alice ever seen big Ben?,S2:,No,she hasnt.Shes never seen,Big Ben.,S1:,Has she ever visited Tower Bridge?,S2:,Yes,she has.She visited it two years ago.,最新初中英语精品课件设计,S1:Has Alice ever seen big Be,See Big Ben,Visit Tower Bridge,Tour around Bucking-ham Palace,Alice,two years ago,最新初中英语精品课件设计,See Big BenVisit Tower BridgeT,George,(one and a half years ago),Robin,(one year ago,最新初中英语精品课件设计,George(one and a half years a,Later Sarah is asking the students from Beijing about what they have and have not done in London.Ask and answer questions in pairs.Follow the example.,B2,最新初中英语精品课件设计,Later Sarah is asking the,Do shopping,See Big Ben,Alice,George,Robin,最新初中英语精品课件设计,Do shoppingSee Big BenAliceG,S1:,Have you done any shopping,yet.Alice?,S2:,No,I havent done any,shopping yet.,S1:,Have you seen Big Ben yet?,S2:,Yes,Ive already seen it.,最新初中英语精品课件设计,最新初中英语精品课件设计,More practise,1.I_already_(see)the,film.,2._he _(finish),his work today?,Not yet,3._ you _(be)to,Hong Kong?Yes,I _(be)there twice.,have,seen,Has,finished,Have,been,have been,最新初中英语精品课件设计,More practise1.I_alrea,4._you ever _(eat)chocolate sundaes,（圣代）,?No,never.,5.My father_ just _(come)back from work.He is tired now.,6.Wheres Li Ming?He _(go)to,the teachers office.,Have,eaten,has,came,has gone,最新初中英语精品课件设计,4._you ever _(ea,7.So far I _(make),quite a few friends here.8.How long_the Wangs,_(stay)here?For two weeks.9.I have been to Macau before.,(,改为否定句,)I _ _ been to,Macau before.,have made,have,stayed,have,not,最新初中英语精品课件设计,7.So far I _(mak,10.He hasnt co