小学英语时态复习之现在进行时.pptx

现在进行时
1、定义：
现在进行时，用来表示正在进行或发生的动作。
2、结构：
主语+be (am, is, are)+动词ing
3、 标志词：
now, look, listen等。
(现场直播 正在发生)
第1页/共30页
现在进行时
(be) am、is、are：
1、am与主语I连用
2、is用于主语是第三人称单数（it，she，he，人名）
3、are用于主语是we，you，或第三人称复数。
口诀：我用am，你用are，is用在他她它，单数 名词使用is ，复数名词使用are
第2页/共30页
现在进行时
动词加ing的变化规则
1、一般情况下，直接加ing，
如：cook-cooking , jump-jumping
2、以不发音的e结尾，去e加ing，
如：make—making, write—writing, have—having, skate—skating, dance—dancing
3、以重读闭音节结尾的动词（末尾是一个元音字母(a、e、i、o、u)和一个辅音字母），双写末尾的辅音字母，再加ing，
如：run—running, swim—swimming， get—getting，
shop—shopping
第3页/共30页
现在进行时
study _______ make _______ swim _______
stop _______ come ______ close ______
have ______ run _______ drive ______
wash______ swing _____ watch_____
take ______ talk _____ put ______
do _____ see _____ write_____
studying
making
swimming
stopping
coming
closing
having
running
driving
washing
swinging
watching
taking
talking
putting
doing
seeing
writing
第4页/共30页
现在进行时
标记
现在进行时的句子中常有now，或在句首常出现look，listen等提示词。
He is playing basketball now.
Listen! Lucy is singing in the room.
第5页/共30页
现在进行时
1．Mr Zheng (read) a book now.
2. The rabbits (jump) now.
3.. Look ! Tom and John (swim).
4. My brother (make) a kite in his room now.
5. Look! The bus (stop).
6. We (have) an English class now.
is reading
are jumping
are swimming
is making
is stopping
are having
结构：主语+be (am, is, are)+动词ing
第6页/共30页
现在进行时
7. Listen! Someone is (come).
8. They (catch) butterflies now.
9. He (do) an experiment now.
10. They (collect) stamps now.
11. Look! He (dive) now.
coming
are catching
is doing
are collecting
is diving
第7页/共30页
：直接在am/is/are后加not.(isn’t , a