人教新目标英语八年级上册Unit 10 If you go to the party，you'll have a great time Grammar课件（14张PPT）

(共14张PPT)
Unit 10
八年级英语RJ版·上册
Grammar
一、新课引入
Look at the pictures and make sentences with “if ”.
Revision
If you go to the party with Karen and Anna, you’ll have a great time.
一、新课引入
Look at the pictures and make sentences with “if”.
Revision
If you wear jeans to the party, the teachers won’t let you in.
一、新课引入
Look at the pictures and make sentences with “if”.
Revision
If you take the bus to the party, you’ll be late.
一、新课引入
Look at the pictures and make sentences with “if”.
Revision
If you don’t go to the party, you will be sorry.
二、新课讲解
Grammar
if引导的条件状语从句
如：We will go to the park if it _______ ______ (not rain) tomorrow.
1. 在if 引导的条件状语从句中，主句用一般将来时，从句用___________表示将来。
即___________原则。
主将从现
一般现在时
doesn’t
rain
二、新课讲解
Grammar
if引导的条件状语从句
如：You must stop if the traffic light ____ (be) red.
2. 在 if 引导的条件状语从句中，如果主句有must，can，may 等情态动词，从
句用___________， 即___________原则。
一般现在时
is
主情从现
二、新课讲解
Grammar
if引导的条件状语从句
如：Don’ t wait for me if I _____ (be) late.
3. 在 if 引导的条件状语从句中，主句是祈使句，从句用____________表示将来，
即_________原则。
一般现在时
am
主祈从现
三、归纳小结
if引导的条件状语从句
主句用一般将来时、主句是祈使句、主句含有情态动词时，从句用一般现在时。
四、强化训练
用所给词的正确形式填空。
2. If it ____ (be) cold tomorrow, I will wear my sweater.
3. He can go home if he ________ (finish) his homework.
finishes
1. Put up your hands if you _____ (have) any questions.
have
is
连词成句。
四、强化训练
if will
she, call me, I, tell her about it
If she calls me, I will tell her about it.
四、强化训练
if will
he, come, next weekend, I, tell you
If he comes next weekend, I will tell you.
if will
there, be, no war, the world, more beautiful
If there is no war, the world will be more beautiful.
四、强化训练
五、布置作业
Write a story with your group on a piece of paper. The first person
begins the story with “I think I will…” .The others add some sentences
with “if ”. Pass the paper around twice. Then read the story.