现在进行时,用来表示正在进行或发生的动作。"结构是:be (am, is, are)+动词现在分词形式。
一、陈述句(肯定句)
主语+be (am, is, are)+现在分词
通常在句子中有以下的词:now, look, listen.
句子的结构如下: be am
is +动词 ing
are
如:1. I am listening to the music now.
2. The students are drawing pictures now.
3. Listen! She is singing .
4. Look! Mr Li is riding a bike.
I am reading English.我正在读英语。He is writing.他正在写字。
You are running.你正在跑步。
二、一般疑问句
Be(Am, Is, Are)+主语+现在分词, 如:
1. -Are you singing?你正在唱歌吗?
-Yes, I am.是的,我在唱歌。(No, I'm not.不,我不在唱歌。)
2. -Is he (she) listening to music?他(她)在听音乐吗?
-Yes, he (she) is.是的,他(她)在听音乐。[No, he (she) isn't.不,他(她)不在听音乐。
三、特殊疑问句
疑问词+be (am, is, are)+主语+现在分词,如:
1. -What are you doing? 你正在干什么?
-I am doing my homework.我正在做作业。
2. -What is he (she) doing?他(她)正在干什么?
-He (She) is riding a bike.他(她)正在骑自行车。
四、现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。
五、动词加ing的变化规则
1.一般情况下,直接加ing,如:cook-cooking go-going , wash-washing,
2.以不发音的e结尾,去e加ing,如:make-making, taste-tasting
3.如果末尾是一个元音字母和一个辅音字母,双写末尾的辅音字母,再加ing,如stop-stopping swim- swimming run—running get--getting
六、需要掌握的进行时变化形式:sleeping, climbing, fighting, swinging, drinking water。drawing pictures, doing the dishes, cooking dinner, reading a book, answering the phone,listening to music, washing clothes, cleaning the room, writing a letter, writing an e-mail,flying, jumping, walking, running, swimming,sleeping, climbing, fighting, swinging, drinking water.
其次,"我"向你们介绍"我"的三位好伙伴: look(看)、listen(听)、now(现在),它们和"我"经常出现在句子中。请看:
Look! Jack is swimming.看!杰克正在游泳。
Listen! She is singing.听!她正在唱歌。
I am cleaning my room now.现在我正在打扫房间。