人教版八年级英语上册《If you go to the party you'll have a great time!》SectionA PPT课件(第3课时)，共38页。
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 条件句
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引导一个条件状语从句时，当主句是一般将来时时, if引导的从句必须用现在时来表示将来可能发生的动作或存在的状态。
在英语里, 当句子的主句为将来时态时, 它所引导的时间状语从句和条件状语从句都使用一般现在时来表示将来时间, 这在英语里被称为“主将从现”。主句的将来时态并不仅限于我们这一课里所学习到的will＋动词原形构成的一般将来时, 还包括be going to＋动词原形、be doing所表示的一般将来时以及我们以后会学到的其它的将来时态。例如:
► What is he going to do when he grows up?
他长大了想干什么？
► We are leaving for Xiamen tomorrow if it doesn’t rain.
如果明天不下雨, 我们就去厦门。
► We will buy that microwave next week if its price keeps going down.
如果价格持续下降,下个礼拜我们就买那台微波炉。
Language points
Can you give me some advice please?
advice意为“劝告；建议”是不可数名词，不能说an advice, 而应说a piece of advice。“两个（则）建议”，我们通常说two pieces of advice。注意piece要采用复数，advice不可数，但piece可数。我们也可以说some pieces of advice一些建议。如：
Can you give me some advice?
你能给我一些建议吗？
与advice有关的一些词组：
ask advice of 向……征求意见, 请教
by sb.'s advice 依某人劝告
on sb.'s advice 依某人劝告
follow sb.'s advice 接受某人意见
give advice 劝告, 忠告
Homework
1.Write five sentences with if structure.
2.Copy and translate the sentences below.
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