四年级上册英语课件-Unit 1 Lesson 2（5）_北京课改版 (共17张PPT).ppt

1、UNIT ONE WHY ARE YOU SO HAPPY Lesson 2-现在进行时现在进行时主语+am/is/are +doing(动词+ing)表示某人正在做某事的时候用现在进行时。现在进行时怎么构成?什么时候用现在进行时?He is singing.singdrawHe is drawing.danceThey are dancing.主语be 动词行为动词(+ing)IIam/mam/mdrawdrawinginga picture.a picture.HeHeShe She ItItis/sis/ssleepsleepingingin the room.in the room.Y

2、ouYouWe We TheyTheyare/reare/rewatchwatchinginga film.a film.这种时态的句子由两种动词组成。be-ingPresent continuous tense 现在进行时 直接在动词后面加ing。goinggoingdotalk watch play read look doingtalkingwatchingplayingreadinglookingPresent continuous tense 现在进行时Practice 去e再加ing。comeingcominghavehavingwrite writingride ridingli

3、ve livingdrive drivingmove movingPresent continuous tense 现在进行时Practice 以重读、“辅元辅”结构结尾的动词需要双写最后一个字母再加-ing。swimmingswimmingjogjoggingsitsittingdropdroppingrunrunninggetgettingputputtingPresent continuous tense 现在进行时Practice训练集中营写出下列动词的分词形式talk_ sleep _ watch _ sit _ listen _ make _ laugh _ lie _ cry _

4、 sing _ cut_ write_ talking sleeping watching sitting listening making laughing lying crying singing cutting writingbe-ingnot主语be动词行为动词(+ing)IIamamdrawdrawinga picture.a picture.notPresent continuous tense 现在进行时Negative sentences 否定句HeHeShe She ItItisissleepsleepingin the room.in the room.not(isnt)Y

5、ouYouWe We TheyTheyarearewatchwatchinga film.a film.not(arent)Present continuous tense 现在进行时Questions 一般疑问句 将be动词放在句子开头成为一般疑问句。Yes,she is./No,she isnt.Yes,they are./No,they arent.Cherry is riding a bicycle.Is Cherry riding a bicycle?They are cooking.Are they cooking?Present continuous tense 现在进行时Que

6、stions 特殊疑问句 Questions with question words:What are you doing?Why is the baby crying?When are the children leaving?Where are you going?e.g.常与现在进行时连用的时间状语now 现在 right now 现在at the moment 现在、此时此刻前面有look，listen，Its(时间)等词时，也用进行时。Look!The boys _ football over there.are playingIts 7a.m.He _ to school.is g

7、oing1.Look,Mr.Wu _(play)football.2.-Where is Li Lei?-He _(water)trees in the garden.3.The baby _(sleep).用动词现在进行时态填空:is playingis wateringis sleeping4.Look!A dog _(run)after a cat.5.The Green family _(have)lunch now.6.Now I _(study)at a new school.7.Who _(knock)at the door?8.The boys _(swim)in the river now.is runningare havingam studyingis knockingare swimming