小学现在进行时课件.ppt
现在进行时The present continuous tense 现在进行时现在进行时1.表示现在正在进行的动作和发生的事表示现在正在进行的动作和发生的事eg:-What are you doing? -I am reading a book.2.现在进行时的句子中常有现在进行时的句子中常有now,或在句首常出现或在句首常出现Look! Listen!等提示词等提示词eg:Listen! Danny is singing in the room. He is doing his homework now.: be+doing ( be要根据主语作人称和数的变化要根据主语作人称和数的变化)1.肯定句转换成否定句肯定句转换成否定句,要在要在 be 后加后加 not 构成构成eg:We are reading English now. We are not reading English now.2.陈述句转换成一般疑问句陈述句转换成一般疑问句,把把be动词提到句首动词提到句首eg:The student is drinking. Is the student drinking?3.陈述句转换成特殊疑问句陈述句转换成特殊疑问句,由由“疑问词疑问词+一般疑问句一般疑问句”构成构成eg:He is working. What is he doing?1.直接加直接加 ing eg:look looking2.如果动词末尾有不发音的如果动词末尾有不发音的e ,则去则去e加加 -ing3.以动词闭音节结尾以动词闭音节结尾,且末尾只有一个辅音字母的且末尾只有一个辅音字母的,应双应双写此字母写此字母,再加再加 ing. eg:sit sitting 口诀教你学口诀教你学doing 进行时很好记进行时很好记,be加动词加动词-ing; 直加双写去哑直加双写去哑e,分词构成须仔细分词构成须仔细; 别说别说 be 无词义无词义,主语和它最亲密主语和它最亲密; 变疑问变疑问 be 提前提前,否定否定 not 再再 后添后添; 何时要用进行时何时要用进行时 look,listen,now标志标志. 训练集中营训练集中营 写出下列动词的分词形式写出下列动词的分词形式 talk_ sleep _ watch _ sing _ listen _ make _ laugh _ run _ cry _ sing _ swim_ write_ talking sleeping watching singing listening making laughing running crying singing swimming writing按要求完成下列句子按要求完成下列句子1.She sings a song in the room._now(现在进行时现在进行时) 2.Her aunt draws a picture with markers. _ (现在进行时现在进行时)3.The boy is singing.(对划线部分提问)(对划线部分提问) _4.We are doing kung fu. (对划线部分提问)(对划线部分提问) _She is singing a song in the roomHer aunt is drawing a picture with markers.What is the boy doing?What are you doing?Good bye