资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Grammar and usage,Unit,1,Present perfect or present continuous?,Present perfect,or,present perfect continuous?,We use,the present perfect,tense,to talk about,an action completed,in the recent past,and,the present perfect continuous tense,for,an action that started in the past and,is still happening,.,Li,Jia,_ (read)a book about Stonehenge.(She finished reading the book.),Li,Jia,_(read)a book about Stonehenge.(She is still reading the book.),has read,has been reading,2.We can use,the present perfect tense,for,repeated actions,and,the present perfect continuous tense,for,non-stop actions,.,I _(visit)Egypt,twice,this month.(repeated actions),I _(tour)Egypt,for,two months.(non-stop action),have visited,have been touring,3.We usually use,the present perfect tense,to ask questions beginning with,how many,or,how much,and,the present perfect continuous tense,to ask questions beginning with,how long,.,How many,times _ you _(swim)in the lake?,How long,_ you _(swim)in the lake?,have swum,have been swimming,4.We can use either,a state verb,or,an action verb,with,the present perfect tense,but we usually can only use,an action verb,with,the present perfect continuous tense,.,I,have had,this camera for five years.,state verb,I,have taken,photos of UFOs with this camera.,I,have been taking,photos of UFOs with this camera.,action verb,action verb,5.We use,the present perfect tense,not the present perfect continuous tense,with the words like,never,yet,already,and,ever,.,()I have never visited America.,()I have already been to America.,()I have never been visiting America,T,T,F,Exercise A,:,Read the conversation,and circle the right words to complete it.,Answers,:,(1)heard (2)been doing,(3)been researching (4)been doing,(5)started (6)done,(7)read (8)found,(9)started (10)been doing,(11)been making,Where do you think the boy has been waiting?,What have the aliens been,travelling,in?What does it look like?,Who else have the aliens talked to?,What other planets have the aliens visited?,Exercise B,:Try to answer the following questions according to the comic strip,Sample answers of Part B,1 He has been waiting at an under-ground station.,2 They have been traveling in an UFO.It looks like a saucer.,3 They probably have talked to animals or plants on the earth as well as creatures on other plants.,4 They have visited Mars,Venus,Jupiter and some other planets.,Go through what we learnt today,and get familiar with them,.,2.,Prepare Task.,Homework,
展开阅读全文
浙ICP备2021020529号-1 | 浙B2-20240490 
