如：come—coming make—making drive—driving live—living dance—dancing write—writing die—dying take—taking close—closing use—using
但是see—seeing
以ie结尾：lie—lying
根据画线部分提问：
Thank You!
They are running.
现在进行时的含义与构成
含义：表示此时此刻或一段时间内正在进行的
动作或发生的事情
He is reading a book. 他正在看书。
She is teaching at a school. 她在一所学校教书。
标志性词语：now Look!
at present
Listen! at the moment
时间：now, at present, at the moment 地点 人物 事件
现在进行时的句式
陈述句
肯定句 否定句
主语+be doing+宾语 主语+be not doing+宾语
疑问句
一般疑问句 Be+主语+ doing+宾语 特殊疑问句 特殊疑问词+一般疑问句
She is watching TV. She is not watching TV doing?
He is walking.
He is dancing.
He is reading a book.
He is flying a kite.
What are they doing?
They are playing basketball.
现在分词的变化规律
3）以重读闭音节结尾，双写最后一个辅音字母加-ing
如：sit—sitting put—putting begin—beginning shop—shopping run—running get—getting swim—swimming stop—stopping
Exercise：P47 二
肯定句： 否定句：
一般疑问句：Is she watching TV? 特殊疑问句：What is she doing?
Who is watching TV?
Exercises：
John is playing football now. 变为否定句：
变为一般疑问句：
根据画线部分提问： They are waiting for the bus. 变为否定句： 变为一般疑问句：
口诀：我用am，你用are，is用在他她它。
单数名词使用is ，复数名词使用are。
现在分词的变化规律
1）直接加-ing
如：open—opening study—studying clean—cleaning work—working sing—singing
2）以不发音字母e结尾，去e加-ing
构成：主语+be（am, is, are）+doing（现在分词）
构成：主语 +be+doing
Tom is doing his homework.
第一人称+am+doing 第二人称+are+doing 第三人称+is+doing I’m/You’re/He’s /She’s /We’re/They’re working.