(完整)初一英语现在进行时
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第二讲：现在进行时
一、定义：表示现在某时刻正在进行的动作或发生的事，或者表示现在某时段正在进行的动作或发生的事, 或者表示某个按最近的计划或安排将要进行的动作，或即将开始或结束的动作。
1.表示现在某时刻正在进行的动作或发生的事：
e.g. It is snowing outside.
She is working.
2.表示现在某时段正在进行的动作或发生的事：
e.g. She is learning English at the college.
I'm writing a book recently.
3.表示某个按最近的计划或安排将要进行的动作，或即将开始或结束的动作：
e.g. He is meeting the manage tomorrow.
The rock is falling over.
I am leaving.
I am getting married next month.
常用的这类动词有：（come go get have take leave arrive）等
二、常与现在进行时连用的词：
1. 时间副词系列：
now
at the moment
at this time
right now
these days
this week
2.动词系列：
look
listen
Don’t talk
Be quiet
三、现在进行时的构成
(1)肯定句的构成
主语+be+现在分词+其他
主语是”I”时am
主语为单数时 ----- is
主语为复数及you时 ----- are
We are waiting for you.
Mr. Green is writing another novel.
She is learning piano under Mr. Smith.
(2)否定句的构成:
主语+be+not+现在分词+其他.
They are not playing basketball now.
We are making model planes these days.
He isn't running.
【活学活用】
一、填入适当的be动词。
1.The boy ________(not be)drawing a picture now.
2. Listen .Some girls ________singing in the classroom .
3. My mother _________(not be)cooking some nice food now.
4. What _____ you doing now?
5. Look . They ______having an English lesson .
6.They ________(be not)watering the flowers now.
7.Look! the girls ________dancing in the classroom .
8.What is our granddaughter doing? She ______listening to music.
9. It’s 5 o’clock now. We ______having supper now.
10.______Helen washing clothes? Yes ,she is.
二、把下列句子变为进行时态：
1.We mend a clock.
____________________________________
2.I look at the blackboard.
____________________________________
3.We drink tea.
____________________________________
4.He and I do our homework.
____________________________________
5.You make a kite for me.
____________________________________
三、把下列句子改成否定句：
1.They are doing housework .
____________________________________
2. The students are cleaning the classroom .
____________________________________
3.I’m playing the football in the playground.
____________________________________
4. Tom is reading books in his study.
____________________________________
5. My mother is cooking some nice food now.
____________________________________
(3) 动词加ing的变化规则
1．一般情况下，直接加ing，如：cook-cooking
2．以不发音的e结尾，去e加ing，如：make-making, taste-tasting
注意：如果单词结尾的e发音，则不能去掉，也直接加ing. 例如：see -seeing/agree - agreeing .
另外，有少数动词比较特殊，请用心记住：例如：lie - lying/die - dying/tie - tying/picnic - picnicking.
3．对于重读闭音节词，双写末尾字母再加ing. 例如：sitting, beginning,getting,putting.running等。
【活学活用】写出下列动词的现在分词：
play________ run__________ swim _________make__________