初一动词--ing形式的变化规则及习题.ppt
9页
定义：定义：现在进行时表示现在（说话瞬间）正在进行现在进行时表示现在（说话瞬间）正在进行或发生的动作或发生的动作句式结构：句式结构：主语主语+ be(am/is/are) + v.-ing(现在分词现在分词)I’m = I am He’s = He isWhat’s = What is She’s = She isGrammar v.-ing 变化规则：变化规则：1) 一般加一般加-ing 例如例如: play—playing watch—watching2) 以不发音的以不发音的e 结尾结尾,去去e 加加-ing 例如例如: take—taking come—coming3) 元音元音+辅音结尾辅音结尾,且是重读闭音节的单词且是重读闭音节的单词,双写辅音字母加双写辅音字母加 -ing 例如例如:run—running swim—swimming 小练习小练习,写出下列动词的写出下列动词的ing 形式形式.jump—( ) sleep—( )climb—( ) fight—( )run —( ) swim—( )shop—( ) get—( ) put —( ) write—( )make—( ) play—( )skate—( ) watch—( )jumpingclimbingrunningshoppingputtingmakingskatingsleepingfightingswimminggettingwritingplayingwatching 2. 现在在进行行时的构成。
的构成现在在进行行时的构成的构成: be+动词的的-ing形式肯定句肯定句: 主主语+be+动词的的-ing形式形式+其他否定句否定句: 主主语+be+not+动词的的-ing形式形式+其他一般疑一般疑问句句: Be+主主语+动词的的-ing形式形式+其他特特殊殊疑疑问句句: 特特殊殊疑疑问词+be+主主语+动词的的-ing形形式式+其他 (二二)现在在进行行时的的时间状状语及及标志性志性词(1)now现在在(2)at this time在在这时(3)at the moment现在在(4)look看看(常用于句首常用于句首)(5)listen听听(常用于句首常用于句首) 【【学以致用学以致用】】用所用所给动词的适当形式填空的适当形式填空1. My parents________ (watch)TV in the living room now. 2. Don’t talk. My little brother________ (sleep)in the next room. 3. Listen, some girls________ (sing)in the music room. 4. Be quiet, please. They________ (study)for the test. 5. He often________ (go)to school at seven in the morning. 答案答案: 1. are watching 2. is sleeping 3. are singing4. are studying 5. goes 【【基基础达达标】】Ⅰ. 选择方框内的方框内的词并用其适当形式填空并用其适当形式填空read, wash, play, eat, drink1. Look! The girl is________ a book over there. 2. —What is your brother doing? —He is________ a hamburger at the table. 3. —Does your father________ tea every day? —Yes, he does. 4. —Do you like________ clothes at home, Susan? —No, but I have to. 5. A lot of boys________ basketball on the playground now. 答答案案: 1. reading 2. eating 3. drink 4. washing 5. are playing Ⅱ. 完成句子完成句子1. 妈妈正在洗衣服。
正在洗衣服My mother________ ________ ________. 2. 你的叔叔正在喝茶你的叔叔正在喝茶吗? ________your uncle________ tea? 3. 让我我们8点去点去钓鱼吧go fishing________ eight o’clock. 答答案案: 1. is washing clothes 2. Is; drinking 3. Let’s; at 4. 你的朋友你的朋友们正在干什么正在干什么? ________ ________your friends________? 5. 你你经常出去吃常出去吃饭吗? ________you often_________ _______? 答案答案: 4. What are; doing 5. Do; eat out 。
