八年级英语下册_Unit5_Section_A1课件_人教新目标版

Enjoy the song

If I am happy, I will smile.

If they are happy ,they will sing and dance.

Unit 5 If you go to the party, you’ll have a great time !

Section A

What will happen tomorrow ?用

It Will will be sunny tomorrow.

if合

并

They will play football tomorrow.

成

一

They will play football if it is sunny tomorrow.句

If it is sunny tomorrow, they will play football.

Look at the picture and make up sentences using “if”.

be rainy

play the piano

如果明天下雨，我将弹钢琴。 If it is rainy tomorrow, I will play the piano.

Exercise\ healthy

如果我锻炼，我将健康。 If I exercise, I will be healthy.

When do you get up on weekends?(9:00)I get up at 9:00 on weekends.

What will happen if you get up at 9:00 this morning ? (If I …,I will…)

If I get up at 9:00, I will be late. I will be late if I get up at 9:00.

What will happen if you are late for school?(If I…,my teacher will ……)If I am late for school, my teacher will be angry with me.

My teacher will be angry with me if I am late for school.

teacher

What will happen if your teacher is angry with you?(If my teacher …,I will…)If my teacher is angry with me, I will be sad. I will be sad if my teacher is angry with me.

What will happen if you get up at 9:00 this morning ?If I get up at 9:00, I

will be late.

If I am late, my teacher will be angry with me. If my teacher is angry with me, I will be sad. If I am sad, I will talk with my best friend.

if “如果”, 引导的条件状语从句主句一般将来时，从句一般现在时1. If she comes( come) here tomorrow, I will ask (ask) her to call you. 2. If we work (work) harder, we will get (get) better grades. 2 条件状语从句通常由连词if引导，意为“如果、 假如”,主句不能用be going to表示将来，而应 该用will, shall(主语为第一人称)

1 时态--主将从现

What will happen if you sleep in class?温馨提示: if引导的 条件状语从句既可放 在主句前,也可放在主 句后.从句置于主句前 时,须有逗号与主句隔 开,反之则不用逗号.sleep in class, I ________ will get (get) bad grades. If I_____I will get bad grades if I sleep in class.

What will happen if you play computer games on weekdays?

will be play If I ____computer games on weekdays , I _____(be) very tired in class. I ’ll be very tired in class if I play computer games on weekdays.

What will happen if you study hard?

study hard, I_____ will get(get) good grades. If I _____I will get good grades if I study hard.

Make up sentences using “if”.

(1 ) if she, call me,

will I, tell her about it

If she calls me, I will tell her about it. (2) he,have free time, go to Shanghai ,If he has free time, he will go to Shanghai.

(3) I ,have much money ,buy a big house If I have much money,I will buy a big house.

A: I think I am going to the party. B: If you do, you will have a great time. =If you go to th

e party, you will have a great time.