一．现在进行时：
1.用法：表示说话时某个动作正在发生或进行；也可表示近期存在的状态；
2.时间状语：
(1) now(现在) ;
(2) at present(目前);
(3) at the moment(此时此刻);
(4) look;
(5) listen;
(6) when/while
3.谓语动词形式：be动词（am/ is/ are）+ doing(动词的现在分词形式);
e.g. Listen, they are singing in the next classroom.
Tom and Mary are having an English class at the moment.
4.现在进行时肯定句转换为否定句，一般疑问句及疑问句的肯定及否定回答。
e.g.⑴肯定句：I’m watching TV.
否定句：I’m not watching TV.
一般疑问句：Are you watching TV?
肯定回答：Yes, I am.
否定回答： No, I’m not.
⑵肯定句：She is playing basketball.
否定句：She is not playing basketball.
一般疑问句：Is she playing basketball?
肯定回答：Yes, she is.
否定回答：No, she isn’t.
5.现在进行时与一般现在时的区分:
⑴一般现在时常表示现在，经常性，习惯性发生的动作或存在的状态。常与时间状语every day/month…,sometimes, always, usually, never, often, in the evening / morning / afternoon, on Sundays等连用。
⑵现在进行时表示现在正在进行或发生的动作。常与时间状语now, at the moment, at present, look, listen等连用。
e.g. I’m doing my homework now.
I always do my homework in the morning.
Look, he is playing basketball on the playground.
He plays basketball every Saturday.
6．动词-ing形式的变化规则：
(1)动词ing形式的规则变化:
①一般情况下，直接加-ing;
e.g. go----going
ask ----asking
look----looking
carry—carrying
②以不发音的e结尾的动词，去e加-ing;
e.g. write----writing
make----making
take----taking
move—moving
live—living
leave—leaving
③以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing；
e.g. get----getting
sit----sitting
put----putting
run----running
begin----beginning
plan—planning
cut—cutting
get—getting
beg—begging
(2)动词ing形式的不规则变化：
①die----dying
lie----lying
tie----tying
②picnic----picnicking
panic----panicking
③listen----listening
develop----developing
二．单项选择题专练：
