小升初语法-现在进行时PPT

小升初语法-现在进行时①含义②be动词的讲解③动词ing的变化规则④句式变化现在进行时态含义：描述正在发生的事情或描述此刻正在进行的动作。现在进行时态的基本结构主语+be+动词ingIamreading.Sheiscooking.Weareplaying.be动词的讲解be动词的用法口诀be动词，真伟大，生出am，is，are。我（I）用am，你（you）用are，is连着他（he），她（she），它（it）。单数名词用is，复数名词全用are。现在进行时的标志词lookLook！Thebirdis

flying.listenListen！Theyaresinging.nowHeisplayingbasketballnow.！She_____dancing.

2.They____watchingTVnow.

！He_____sleepingnow.

动词ing的变化规则Readandchangereadwashsleepthinksendspeakreadingwashingsleepingthinkingsendingspeaking你发现什么规律了吗？Readandchangeswimstopcutrunputsitswimmingstoppingcuttingrunningputtingsitting重读闭音节（辅元音），双写末尾的辅音字母，再加ing。Readandchangemakeleavehavetakeusemakingleavinghavingtakingusking以不发音e结尾的单词，去e，再加ing。用括号内单词正确的形式填空！Thekids_____________(sing).2.Loweryourvoice,please.Thebaby_________sleepingnow.3.Look!Thetwobirds__________(fly)overthesea.4._____mom_____(bake)acakerightnow?aresingingissleepingareflyingIsbaking现在进行时的句式变化否定句结构肯定句：Iamdrinking.否定句：Iamnotdrinking.主语+be+not+动词ing请将肯定句变为否定句Theyarehavingfun.Sheishavingameeting.Heisspeakingonthephone.notnotnot一般疑问句结构陈述句：Iamdrinking.否定句：AmIdrinking?be+主语+动词ing请将陈述句变为一般疑问句Theyarehavingfun._______________________Sheishavingameeting._______________________Heisspeakingonthephone._______________________Aretheyhavingfun?Isshehavingameeting?Ishespeakingonthephone?一般疑问句的回答肯定回答：Yes，heis.否定回答：No，heisn’t.肯定回答：Yes，主语+be.否定回答：No，主语+be+not.Ishedrinking？作出一般疑问句的肯定和否定回答Aretheyhavingfun?__________________________Isshehavingameeting?_______________________Ishespeakingonthephone._______________________Yes,theyare./No,theyaren’t.Yea,sheis./No,sheisn’t.Yes,heis./No,heisn’t.现在进行时的特殊疑问句结构Theyarehavingfun.Whoarehavingfun？观察下列陈述句是如何变为特殊疑问句的Sheishavingameeting.Whoishavingameeting？对主语提问：疑问词+其他成分语序不变Iamworking.Whatare

youdoing？观察下列陈述句是如何变为特殊疑问句的Heisspeakingonthephone.Whatishedoing？对非主语提问：疑问词+is/are+主语+动词ing+其他一般较少自问自答，换成第二人称根据划线部分作出句子___________________I’mplaying.Whoiscooking？_________