if条件句精品课件.ppt

2011年10月13日， 2岁的小悦悦(本名 王悦）在佛山广佛 五金城相继被两车 碾压，7分钟内，18 名路人路过但都视 而不见，漠然而去.
2011年10月 21日，小悦 悦经医院全
力抢救无效， 在零时32分 离世。
Everything depends on “if”, you were not there, so you couldn’t help the little girl.
If he were here，we could ask him．
4.如果明天放假，那该多好。
It would be nice if it were a holiday tomorrow.
2. 与过去的事实相反
从句的谓语用had＋过去分词, 构成If I (we, you, he, they)＋had＋过去分词的 形式； 主句的谓语用should(第一人称)/would (第二、三人称) /could/might have ＋动 词过去分词。
定义：非真实条件句表示所提出的 假设实现可能性极小或与事实相反
How to use?
主句＋would/could/should/might+V, if+过去时（be动词都用were)
What would you do if you won the lottery? If I won the lottery, I would…
Condition)提出的条件是可能实现的句子
Grammar Focus :
以 if 引导的条件状语从句：当主句为一 般将来时, 从句为一般现在时（主将从现）.
2011-10-13
What would you do,
if you were there
?
If I were there, I would….
a fact
If I had a lot of money now, I would travel the world.
a wish
If条件句:真实条件句 和非真 实条件句 两种。
a. 真实条件句：条件是真的或有可能实 现的, 采用陈述语气。
b. 非真实条件句：条件是无法实现或几 乎无法实现的, 采用虚拟语气。
If I had a magic lamp, I would fly in the sky.
If I were Snow White, I would not eat the apple.
Biblioteka Baidu
If I had a million now, I would travel around the world. If I have a million, I will travel around the world.
Compare and find the difference
If I have time tomorrow, I will go with you. a fact
If I were a bird, I would fly in the sky. a wish
If I have a lot of money, I will travel around the world.
Translate the sentences.
1.我如果有时间肯定会去的。
I would certainly go if I had time．
2.我要是懂德语，我就会给你读这篇文章。
If I knew German，I would read the paper to you.
3.如果他在这里，我们会问他的。
If everyone could give a hand to others, the world would become better in the future.
If apology were useful, we would not need the
police.
道明寺
If they were here, they would help you. 含义：They are not here, they can’t help you.
a. If they w__e_r_e (be) here, they _w_o_u_l_d_t_a_k_e_ (take) your advice.
b. If the world-war _b_u_r_s_t (burst) out again, what _w_o_u_l_d__h_a_p_p_e_n_ (happen) to our people on earth?
If非真实条件句 ——与现在事实相反
Irene
If
I answer
If the telephone rings, I will answer it.
He hungry
will
If he is hungry, he will eat the apples.
If
If he has a lot of money, he will buy a big house.
If…meet…, …love…
If I meet the lovely girl, I will love her.
What is the If Adverbial clause of condition ? And how to use it?
定义： If真实条件句（Sentences of Real
条件从句 If 从句的 主句的谓语形式 谓语形式
真实条件 一般现在时 will+V 句
非真实条 件句（现 在）
一般过去时 be都用were
would/could/should/might +V
非真实条件句
（虚拟语气的一种）
条件状语 从句
虚拟语气
Subjunctive mood
真实条件句
PRACTICE 1: Fill in the blanks.
If I were there, I would call 120.
If Lily were there, she would call 120. If Tom were there, he would call 120.
If we met the accident, we would help the girl.