人教版初中七年级下册英语精品授课课件 Unit 6 第2课时（A Grammar Focus-3c）.ppt

HomeworkReviewthegrammarofthispart.ReadthesentencesinGrammarFocus.LearningobjectsBytheendoftheclass,youwillbeableto…1.Learncurriculumwordsandusefulexpressions.2.Masterthedifferentsentencepatternsofthepresentprogressivetense.3.Talkaboutwhatpeoplearedoingusingthepresentprogressivetense.Yes,theyare./No,theyaren’t.They’reexercising.Whatareyoudoing?I’mwatchingTV.What’sshedoing?She’swashingherclothes.Whataretheydoing?They’relisteningtoaCD.Areyoudoingyourhomework?Yes,Iam./No,I’mnot.I’mcleaningmyroom.Ishereadinganewspaper?Yes,heis./No,heisn’t.He’splayingbasketball.Aretheyusingthecomputer?Yes,theyare./No,theyaren’t.They’reexercising.GrammarFocusReadandthinkCanyouconclude…1.现在进行时态中的谓语动词的构成；2.现在进行时的肯定句，否定句句式；3.现在进行时的一般疑问句、特殊疑问句的句式及其答语。现在进行时定义现在进行时表示现在正在进行的动作，也可表示现阶段正在进行的动作。构成be动词(am/is/are)＋动词-ing形式句型结构肯定句主语+am/is/are+v-ing+其他.否定句主语+amnot/isn’t/aren’t+v-ing+其他.一般疑问句Am/Is/Are+主语+v-ing+其他？肯定回答：Yes,主语+am/is/are.否定回答：No,主语+amnot/isn’t/aren’t.特殊疑问句特殊疑问词+am/is/are(+主语)+v-ing+其他?verbv-ingverbv-ingwatchingusingcleaningmakingreadingwashingtalkingexercisinglisteningwatchcleanreadtalklistenusemakewashexerciseLookandthinkdie→dyinglie→lyingv-ing变化规律一般情况下，在动词词尾直接加-ingdo→doingbuy→buying以不发音的字母e结尾的动词，去掉e，再加-inghave→havingdance→dancing以重读闭音节结尾且末尾只有一个辅音字母的动词，双写末尾辅音字母，再加-ingswim→swimmingshop→shopping少数以ie结尾的动词，变ie为y,再加-ingdie→dyinglie→lyingLet’swrite写出下列动词的-ing形式sing→_______ paint→________study→________ play→_______write →_______ draw→_______take →______ get→_______begin→_________ put→_______singingpaintingstudyingplayingwritingdrawingtakinggettingbeginningputting判定时态的方法当句中有时间状语now,rightnow,atthemoment（正在此刻）等时，常表示动作正在进行，要用现在进行时。现在海伦正在听音乐。Helenislisteningtom