【正文】 根據(jù)“Don’t make any noise”及“now”可知，此處應用現(xiàn)在進行時表示正在進行的動作，結(jié)構(gòu)為am/is/a解析：C【詳解】句意：吉姆，別出聲！你的小妹妹現(xiàn)在正在睡覺。39．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車。故選A?？疾楝F(xiàn)在進行時。考查現(xiàn)在進行時。真的很臟?？疾楝F(xiàn)在進行時。根據(jù)問題“what’s your sister doing”可知，這里問的是正在解析：D【詳解】句意：——Tom，你的姐姐在做什么？——她正在書房里做她的家庭作業(yè)?？疾楝F(xiàn)在進行時。一起來看吧。根據(jù)前句“The zoo keeper is worried”的語境可知，后句動作應是正在進行，故時態(tài)應用現(xiàn)在進行時，構(gòu)成形式為：be doing，故排除A、D項；the number of，表示“……的數(shù)量”，作主語時，謂語動詞用單數(shù)形式，故排除B項?？疾楝F(xiàn)在進行時。27．C【詳解】句意：西峰街今天關閉，因為工人正在進行一些維修工作。26．A【詳解】句意：我聽不見你說話。故選B?？疾閯釉~時態(tài)辨析。故選A。你能幫我一下嗎？——等一下。我在看姚明的比賽。他們現(xiàn)在正在開會?？疾閯釉~時態(tài)?？疾閯釉~的時態(tài)。buy一般現(xiàn)在時；bought一般過去時；am buying現(xiàn)在進行時；have boug解析：C【詳解】句意：——快點，瑪麗，電影已經(jīng)開始十分鐘了?？疾闀r態(tài)。16．D【詳解】句意：——昨天我收到了安先生的來信。根據(jù)語境可知，此時不能幫媽媽洗碗，是因為正在做作業(yè)，應用現(xiàn)在進行時，構(gòu)成形式為：be doing。根據(jù)“Peter, please be quiet.”可知，現(xiàn)在要保持安靜，此處表示你哥哥現(xiàn)在正在錄音，因此用現(xiàn)在進行時am/is/are+doing結(jié)構(gòu)，故選D。13．D【詳解】句意：——彼得，請安靜。“正在用”時態(tài)是現(xiàn)在進行時。11．B【詳解】句意：——杰克，你能把你的照相機借給我嗎？——抱歉，我正在用。根據(jù)前句“Not now”語境可知，后句的動作正在進行，應用現(xiàn)在進行時，構(gòu)成形式為be doing；主語“I”是第一人稱單數(shù)形式，故助動詞應用am；help的現(xiàn)在分詞是helping。根據(jù)“He is in the kitchen.”和“now”可知，該句為現(xiàn)在進行時，謂語結(jié)構(gòu)是：be+動詞的現(xiàn)在分詞。故填B。故選C。根據(jù)“Where’s your father, Lily?”可知，此處是詢問當前的情況，表示正在做某事，用現(xiàn)在進行時，故選解析：D【詳解】句意：——莉莉，你父親在哪里？——他正在廚房做飯。故選C。故選B。根據(jù)“Let’s go and help her”可知，此處指讓我們?nèi)椭谧鐾盹埖哪棠?，故為現(xiàn)在進行時，其結(jié)構(gòu)為am/is/are doing。北師大版八年級現(xiàn)在進行時考點易錯點的總結(jié)一、選擇題1．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making2．—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A．think about B．a(chǎn)m thinking about C．was thinking about D．thought about3．Look, many people ________ in the park.A．dance B．danced C．a(chǎn)re dancing D．will dance4．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending5．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking6．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting7．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had8．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed9．—What about going to the cinema? There’s a new movie called Hi, Mom.—Not now, I ________ my brother Tony with his English.A．help B．helped C．a(chǎn)m helping D．have helped10．— What’s that noise, Sam?— My little brother ________ his toy car.A．played B．is playing C．plays D．was playing11．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using12．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on13．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording14．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．a(chǎn)m doing D．have done15．—May I use your puter? —Sorry, I ________ on it.A．work