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四年级下册英语小学英语语法知识不分版本现在进行时讲解及练习
四年级英语综合检测
《四年级下册英语小学英语语法知识不分版本现在进行时讲解及练习》详情
资料介绍
4年级英语下册学习资料
📄 文档预览(前 3 页)
01 概念
表示正在发生的事情或动作,常和 now,look,listen 连用。
eg:We are listening to music now.我们现在正在听音乐。
Listen! He is playing the piano.听!他正在弹钢琴
现在进行时态
。
02
结构
1.
be + 动词现在分词(即:动词-ing 形式)
,be + doing 是一个
整体,不能分开。
2.be 随着主语的变化而变化,doing 的变化规则根据现在分词的变
化规律来定。
03 动词现在分词的构成规律
1.一般情况下,在动词原形后直接加-ing;
eg:work→working
do→doing
play→playing
2.以不发音字母 e 结尾的动词,先去掉 e,再加-ing;
eg:dance→dancing
come→coming
3.在重读闭音节(即:辅音+元音+辅音)的动词中,要先双写末
尾的辅音字母,再加-ing;
eg:get→getting
shop→shopping
run→running
swim→swimming
4.以 ie 结尾的重读闭音节词,将 ie 改成 y 再加 ing。
eg:lie→lying
die→dying
04 现在进行时的各种句式变化
1.否定句
方法:直接在 be 的后面加 not。
eg: They are running. →They are not running.
2.一般疑问句
方法:直接把 be 放在主语的前面,其余位置不变。
eg::They are running. →Are they runnin?
3.特殊疑问句
方法:如果就划线部分提问事情或动作时,用 What…doing?
eg:They are swimming in the sea now.
→What are they doing in the sea now?
—We are
.
B. watch TV
A. watching TV
C. watches TV
D. to watch TV
( )2. Look! The little boy
in the rain.
A.jumps
B.run
C.is
running
D. runs
on the
(
) 3. The children are
playground.
A.playing
B.
play
C.
sleeping
D.
play
s
( )5. Look! Emm
an English class now.
( )4.We
A.has
B.have
C.
is having
D. are having
a
with her sister.
A. is swimming
B. swims
are
is swiming
D.
swimming
C.
( )1. —What are you doing now?
05 现在进行时态练习