英语动词现在进行时态：
表示现在正在进行或发生的动作。(有些动词的进行时结构也可表将来，以后会讲到)
句中常有提示词：now,at the moment(此刻)或者listen(听), look(看) 等。
1.现在进行时的构成： ... am/ is/ are + 动词ing(现在分词) ...
肯定句： I am washing the clothes now. 我现在正在洗衣服。
She is doing her homework . 她(现在)正在做作业。
We are living in Fuzhou with our parents.我们和父母(现在)正住在福州。
否定句：... am/ is/are + not + 动词ing...
I am washing the clothes now.
→ I am not washing the clothes now. 我现在不在洗衣服。
She is doing her homework .
→She is not doing her homework. 她(现在)不在做作业。
They are playing football.
→They are not playing football. 他们(现在)不在踢足球。
一般疑问句：am/ is/ are 提到句首，一般am要变成are。
I am washing the clothes now.我现在正在洗衣服。
→ Are you washing the clothes now ? -------Yes,I am; No,I"m not
你现在正在洗衣服吗？ 是的，我在洗；不，我不在洗
They are playing basketball on the playground.
他们(现在)正在操场打篮球。
→Are they playing basketball on the playground?他们正在操场打篮球吗？
---Yes,they are; No,they aren’t. 是的，他们在打；不，他们不在打
She is doing her homework .她(现在)正在做作业。
→Is she doing her homework?----Yes,she is; No,she isn’t.
她(现在)正在做作业吗？ 是的，她在做；不，她不在做
特殊疑问句： 对主语提问：直接用疑问词替代主语。
Sheis washing the clothes now. →Who is washing the clothes now?
My brother is watching TV at home.→Who is watching TV at home.
对句子其他成分提问：疑问词 + 一般疑问句结构 ？
I am washing the clothesnow. → What are you doing now?
我现在正在洗衣服。 你现在正在做什么？
They are playing basketball on the playground.
→Where are they playing basketball? 他们(现在)正在哪里打篮球?
2.动词ing的变化：
1）一般在动词尾加ing ：
play → playing ; read →reading ; catch→catching
2)以不发音字母e结尾的动词，去e加ing ：make→making; have→having
3)以重读闭音节结尾，末尾只有一个辅音字母，先双写这个辅音字母，再加ing：
put→ putting swim→swimming begin→beginning
sit→sitting get→getting stop→stopping
run→running shop→shopping prefer→preferring
regret→regretting chat→chatting dig→digging cut →cutting
plan→planning hit→hitting nod→nodding shut→shutting
cancel→cancelling(canceling) travel→travelling(traveling) control→controlling
4)特殊情况：be → being see→ seeing die → dying lie→ lying
练习。
用括号内动词的适当形式填空。
1.------Where’s my brother?
------He _____________(watch) a movie in the living room.
2.Don’t make any noise. Jim and Tom __________________ (sleep)
3.Be quiet! My teacher_____________________(say) something.
4.Look! Sally and Jim_________________________(swim) in the river.
5.Listen! They _____________________(talk)about the weather.
6.Hurry up! Your mother _________________(wait) for you downstairs.
7.-------______ you _________ (study)English?-------Yes,I am.
句型转换。
Tom is reading the booknow. 否定句：______________________________.
一般疑问句：______________ .否定回答：______肯定回答：________ .
对reading the book提问：___________________________________ .
They are watching TV at home.
对at home提问：______________________ .
