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：