现在进行时（Present Continuous Tense）：表示现在正在进行或发生的动作，也可以表示现阶段正在进行但此刻不一定在做的动作。
用法1：表示说话时正在进行的动作，常与now, at the moment, look, listen等词连用
用法2：表示现阶段正在进行的动作（但此刻不一定在做）
用法3：表示按计划即将发生的动作（常用come, go, leave, arrive等动词）
构成：be动词（am/is/are） + 动词-ing形式
动词-ing变化规则：
1. 一般直接加-ing：play → playing, read → reading
2. 以不发音的e结尾，去e加-ing：make → making, write → writing
3. 重读闭音节（辅元辅结构），双写末尾辅音字母加-ing：run → running, swim → swimming
4. 以ie结尾，变ie为y加-ing：lie → lying, die → dying
否定句：主语 + be + not + 动词-ing
疑问句：Be + 主语 + 动词-ing？
I am playing / He is playing
I am not playing / He is not playing
Are you playing? / Is he playing?
时间标志词：now, at the moment, look, listen, at present, these days
注意be动词的选择：I用am，第三人称单数用is，复数用are
不是所有动词都能用进行时，表示状态、感觉、情感、拥有的动词一般不用进行时
不能用于进行时的动词：know, like, love, want, need, have(有), see, hear等
Look! Listen! 后面的句子通常用现在进行时
缩写形式：I'm, you're, he's, she's, it's, we're, they're, isn't, aren't
写出下列动词的-ing形式： play, make, run, swim, die
应用变化规则
💬 play → playing (直接加-ing) make → making (去e加-ing) run → running (双写n加-ing) swim → swimming (双写m加-ing) die → dying (ie变y加-ing)
playing, making, running, swimming, dying
通过游戏掌握现在进行时的用法
Listen! Someone ___ at the door.
They ___ a meeting at the moment.
'run'的-ing形式是：
用动词的现在进行时填空： 1. I ___ (do) my homework now. 2. She ___ (read) a book. 3. They ___ (play) football.
写出下列动词的-ing形式： sit ___, get ___, write ___, study ___
用括号内动词的适当形式填空，并说明使用的时态： 1. He usually ___ (go) to school by bike, but today he ___ (walk). 2. Look! The bird ___ (fly) in the sky. 3. My father ___ (watch) TV every evening.