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Grammar and usage (1) 知识目标Learn the past perfect tense 能力目标After learning this lesson, the students will be able to understand sentences in which the past perfect tense is used. They are also expected to distinguish the past perfect tense from the simple past and the past perfect tense from the present perfect tense. At the same time, they will read some passages in which the simple past tense, the past perfect tense or the present perfect tense is used. 情感目标 教学重点How to use the past perfect tense 教学难点Compare the use of the past tense, the present perfect and the past perfect 教学用具Multimedia blackboard 一．课堂小结 Past perfect tense I.过去完成时常用句型： 1.Tom?was?surprised?that?most?of?the?guests?_____ when?he?______ at?the?party. A.?left;?had?arrived??????? B.?left;?arrived???C.?had?left;?had?arrived D.?had?left;?arrived 2.---Have you sent the parcel? ---Not yet. The post office _______when I got there. A. have already closed B. closed C. had already closed D. was closed 小结1：_______________________________________________________________ 1.He??______ _____ ______his?own?lab?by?the?time?he?was?ten.?? 到十岁时, 他已经建起了自己的实验室。 2.---Did?you?meet?Tom?at?the?airport？? ---No,he?_______?by?the?time?I?______?there．? A．has?left；got? B．had?left; arrived? C．left；arrived ?D．left；had?got? 3.We _____ four?thousand?new?words?by?the end?of?last?year. A.?had?learned??? B.?have?learned?? ?C.?learned? D.?will?have?learned 小结2: _________________________________________________________________ 1.The meeting began after all the members __________. 所有的成员都到齐后，会议开始了。 2.They arrived at the party after all the guests_________. 所有的客人都离开派对后，他们才到。 小结3: __________________________________________________________________ 1.He _____ ______English?for?five?years?before?he?came?here. 来这儿之前, 他已经学过五年英语了。 2. How long _________each other before they _________ married? A. had they known, got B. have they known, get C. did they know, were going to get D. do they know, are