人教版八年級英語上冊《If you go to the party you'll have a great time!》SectionA PPT課件(第3課時)，共38頁。
Objectives
To practice the sentence structures:
If…, you’ll…
—What will happen if they…
—If they…, …will/won’t…
—Should we…?
—If we…, they’ll…
If it is sunny this weekend…
If it is sunny this weekend, I will go camping.
If it is sunny this weekend, I will go to the park.
If it is sunny this weekend, I will play football.
If it rains this weekend…
If it rains this weekend, I will stay at home.
If it rains this weekend, I will do my homework.
If it rains this weekend, I will listen to some music.
Grammar Focus
I think I’ll take the bus to the party.
If you do, you’ll be late.
I think I’ll stay at home.
If you do, you’ll be sorry.
What will happen if they have the party today?
If they have it today, half the class won’t come.
Should we ask people to bring food?
If we ask people to bring food, they’ll just bring potato chips and chocolate.
Grammar Focus: if 條件句
I will have a good time tomorrow.
I will go to the party tomorrow.
If I go to the party tomorrow, I’ll have a good time.
if引導一個條件狀語從句時，當主句是一般將來時時, if引導的從句必須用現在時來表示將來可能發生的動作或存在的狀態。
在英語里, 當句子的主句為將來時態時, 它所引導的時間狀語從句和條件狀語從句都使用一般現在時來表示將來時間, 這在英語里被稱為“主將從現”。主句的將來時態并不僅限于我們這一課里所學習到的will＋動詞原形構成的一般將來時, 還包括be going to＋動詞原形、be doing所表示的一般將來時以及我們以后會學到的其它的將來時態。例如:
► What is he going to do when he grows up?
他長大了想干什么？
► We are leaving for Xiamen tomorrow if it doesn’t rain.
如果明天不下雨, 我們就去廈門。
► We will buy that microwave next week if its price keeps going down.
如果價格持續下降,下個禮拜我們就買那臺微波爐。
Language points
Can you give me some advice please?
advice意為“勸告；建議”是不可數名詞，不能說an advice, 而應說a piece of advice。“兩個（則）建議”，我們通常說two pieces of advice。注意piece要采用復數，advice不可數，但piece可數。我們也可以說some pieces of advice一些建議。如：
Can you give me some advice?
你能給我一些建議嗎？
與advice有關的一些詞組：
ask advice of 向……征求意見, 請教
by sb.'s advice 依某人勸告
on sb.'s advice 依某人勸告
follow sb.'s advice 接受某人意見
give advice 勸告, 忠告
Homework
1.Write five sentences with if structure.
2.Copy and translate the sentences below.
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