الشرطية الصفرية و الأولي

Zero conditional
If you heat water, it evaporates. .الحقائق
If water is heated, it turns into steam. If I need money, my father gives me.
When the volcano erupts, it sends dust into the air.
First conditional
If مستقبل بسيط , مضارع بسيط
If you don't run, you won't catch the train.
Unless you run, you won't catch the train.
If it rains, I will stay at home.
متى نستخـــدم الحــــالة الأولـــى
1.إذا وجدت فى الجملة كلمة تفيد إمكانية او إحتمال وقوع الحدث مستقبلا
It is possible that he will phone. If so, I will tell him everything in details.
If he phones, I'll tell him everything in details.
2. عندما نجد الجملة فى صيغة أمرأو نهى
Hurry up in order to catch the train.
If you don't hurry up, you won't catch the train.
3. عند التهديد أو التحذير
If you don't come to school early, I will punish you.
4.توقعات أو إعطاء وعود مستقبلا
If you stand on that chair, it will break.

5.أمور مسلم بها
Hard work results in success.
If you work hard, you will succeed.
6.النصيحة و لكن
If you are ill, you should see a doctor.
If you have enough money, what will you do?
Choose the correct answer:
1- Metals………...if they are heated.
a. expand b. will expand c. would expand d. may expand
2- Water…………if it is frozen.
a. will solidify b. would solidify c. solidifies d. may solidify
3- Water vaporizes if …………….. .
a. heated b. was heated c. heats d. will be heated
4- Micro-organisms……….……if boiled.
a. die b. would die c. would have died d. will die
5- Air rises if it…………….. .
a. is heated b. was heated c. heats d. had been heated
6- If water is heated to 100C, it………………. .
a. will boil b. would boil c. boils d. would have boiled
7- If plants get no water, they…………… .
a. die b. will die c. would die d. may die
8- Wood…………..if it is put on water.
a. floats b. will float c. would float d. would have floated
9- He………….well if he wears his glasses.
a. could see b. sees c. can see d. could have seen
10- Water changes into steam if it………………. .
a. boils b. is boiled c. was boiled d. will boil
11- What will you do if you…………....a million dollars?
a. had b. had had c. have d. will have
12- If I feel tired, I ……………to bed.
a. go b. would go c. am going d. would have gone
13. If you heat a metal, it………..……. .
a. expanded b. will expand c. expands d. would expand
14. If you pour hot water onto ice, it …………….. .
a. would melt b. melts c. is melting d. would have melted
15. Take this medicine with you……………you feel tired.
a. if it b. unless c. in case d. without
16. If you…….……listen, you won't learn anything.
a. don't b. won't c. didn't d. wouldn't
Find the mistake in the each of the following sentences, then write it correctly:-
1- He will succeed if he worked hard.
…………………………………………………………………………………..
2- If he ran fast, he will catch the train.
…………………………………………………………………………………..
3- If I see him, I give him a lift.