初一英语《现在进行时》PPT课件

The present continuous tense (现在进行时)1 定义：表示现在正在进行的动作或发生的事情2.结构结构 肯定句否定句一般疑问句3.复习主系表结构 do _ watch _ play_ing ing ing danc_ writ_e eing ing run _ swim _ning ming 1.动词后直接加-ing2.以末尾不发音的e结尾去掉e,加-ing 3.重读闭音节元辅（字母）结构，双写最后一个字母，再加-ing 现 在 分 词 的 变 化规 则 主系表结构 主语+系动词+表语例句 1我是一名学生 2他是一名老师 3他们是工人我用am,你用are,他她它用is走天下,其他一律都用are I am a student He is a teacher They are workers 1. I am studying English 2.He is teaching English 3.They are working .现在进行时的基本结构结构肯定句主+be +v.ing+其它否定句主+be+not +v.ing+其它 一般疑问句be +主+ving +其它 现在进行时句型练习翻译句子1.他们正在扫地2.我正在打扫房间3.他正在读报纸2. I am cleaning the room1.They are sweeping the floor 3. He is reading the newspaper.1.They are sweeping the floor They sweeping the floor2. I am cleaning the room I cleaning the room3. He is reading the newspaper. he reading the newspapernotnotnot ?is are ?am ? 动词的现在分词变法1 直接加ing. 2以不发音e结尾的去e加ing. 3元辅结构重读闭音节的双写辅音字母再加ing. 4特殊记忆。E.g. cook-cookiing , workworking teach-teachingE.g. take-taking type-typing , write-writing E.g. sitt ing runrunning lielying die-dying tie-tying 现在分词练习题1 run 2come3go4read5see6paint7sit8lie 9type10shave 1running 2coming3going4reading5seeing6painting7sitting8lying9typing10shaving