بوابة الثانوية العامة المصرية - قواعد الصف الاول الثانوى:(تشكيله متنوعه من معلمى المنتدى )

قاعدة if

[1] IF + PRESENT SIMPLE WILL OR SHALL + INFINITIVE تعبر عن شيء محتمل

1- If he works hard he will get high marks.

[2] IF + PAST SIMPLE SHOULD + INFINITIVE
WOULD يعبر عن شيء غير محتمل
1-If she went to the cinema she would enjoy the film.

** IF + ـــــ WERE WOULD + INF
مع جميع الضمائر
** تستخدم(were) مع جميع الضمائر عندما يكون الشرط متناقضا مع الحقيقة ، كما تستخدم لاعطاء النصائح .
1- If I were in your position I would report the police.

SHOULD HAVE
[3] IF + PAST PERFECT + P.P
WOULD HAVE
1- If she had run fast she would have caught the train.

2- I didn’t have an umbrella therefore I got wet in the rain.

(Use: If ………)

· If I had had an umbrella I wouldn’t have got wet in the rain

1- إذا كان زمن الجملة في الماضي يستخدم الحالة الثالثة .
2- إذا كانت الجملة في النفي نضعها في الإثبات والإثبات نضعه في النفي .
3- إذا كان زمن الجملة مضارع نستخدم الحالة الثانية .
4- إذا كان زمن الجملة مستقبل نستخدم الحالة الأولى .

1- He didn’t buy the books because he didn’t have enough money. (Use: If………)

* If he had had enough money he would have bought the books.

2-Samira didn’t eat her lunch. She wasn’t hungry. (Use: If 0) ** If Samira had been hungry she would have eaten her lunch.

3-Ahmed may arrive tomorrow and give a big party.
* If Ahmed arrives tomorrow he will give a big party.

4-He doesn’t play well. He doesn’t win the match.
* If he played well he would win the match.

5- I don’t speak English well. I find it difficult to understand American films. (Rewrite beginning with: If …………)

…………………………………………………………………………………..

* يمكن أن تحل should محل If في الحالتين الأولي والثانية .
1- If he succeeds he will join the university.
· Should he succeed he will join the university.

2- If he succeeded he would join the university.
· Should he succeed he would join the university.

3- should it rain they will stay indoors.( if )
…………………………………………………………………………………..
تستخدم were محل if في الحالة الثانية

1- if I were a bird, I would fly. (Were )
Were I a bird I would fly.
2-If he went to bed early, he would ‘t feel sleepy in the morning.

“Use: were “

*Were he to go to bed early, , he would ‘t feel sleepy in the morning .

ملحوظة هامة:

IF محل HAD تحل في الحالتين الثانية والثالثة

1- إذا جاءت HAD محل IF ولم يأتي بعدها فعل يكون جواب الشرط SHOULD – WOULD ( الحالة الثانية )

1) Had he enough money he would by the car.

1- إذا جاءت had محل if وبعدها التصريف الثالث للفعل يكون جواب الشرط

الحالة الثالثةshould OR would have + p.p.

1- had she studied hard she would have succeeded.

2- Had they played well they would have won the match. ( if )
……………………………………………………………………………

1- If he succeeded he would join the university.
**In case of his success he would join the university.
**In case of playing well they would have won the match.
(Use: If ………………)
**If they had played well they would have won the match.

ينطبق علي Unless نفس قاعدة If بحالاتها الثلاثة
1- Unless + present simple ………… shall + inf.
Will
2- Unless + past simple …………… should +if
Would
3- Unless + past perfect ……… should have + p.p.
Would have

1- unless he studies hard he will fail. (Use: But for)

* But for studying hard he will fail.
[Or]
* But for his hard study he will fail.
2- Without my help he would have failed.
(Use: unless…)
* Unless I had helped him he would have failed.
3- without running fast he would have missed the train.
(Use: If…)
· If he had not run fast he would have missed the train.

ويمكن استخدام كلا من if it hadn’t been for أو if it weren’t for محل without

1-without + noun would + inf.

= If it weren’t for + noun would + inf.

*Without his foolish behavior, we would help him.
*if it weren’t forhis foolish behavior , we would help him

2-without + noun = (if it hadn’t been for + noun would + have + p.p.)

Without his foolish behavior, we would have helped him.
if it hadn’t been for his foolish behavior , we would have helped him

اعلم جيدا ان هذه الكلمات لها نفس المعنى الذي تحملة I f

Ex: you will be late for work ( if – as long as ) you don’t take a taxi .

1-choose the correct answer :-
1- If Hisham (would come – had come – would have come – come) with us he would have a good time. ث96
2- (Would he leave – was he leaving – were he to leave – if he leaves) today he would get there by Thursday.ث 96
3- I would have attended the meeting if I (have had – had had – would have had) time.
4- If you had gone to the exhibition you (would enjoy – will have enjoyed – would have enjoyed – will enjoy) it.
6-If your father (is – was – were – has been) alive he would be pleased with your work.
7-Had I money I (shall buy – should buy – should have bought) a car.
8-The streets would be wet if it (rains – rained – had rained)
9-If he does not come early, he (will punish – will be punished – would be punished).
10-He (learned – had learned – would have learned – would learn) more if you had agreed to help him.
11-If the servant stole the money. The police (will – would - would have) arrest him.
12-If I had enough money I would (buy – bought – have bought) it.
13-She would not (lose – lost – have lost) her bag if she had been careful.
14-If I (am – were – had been) in you position I would meet him.
15-He would have caught the thief if he (runs – ran – had run) fast.
16-If we (have – had – would have) a holiday we shall go to the zoo.
17-If I had arrived in time I (would find – found – had found – would have found) him at home.

18-You would not have finished your work unless you (would work – worked – works – had worked)

19-(In case of – unless – If – without) he ran quickly he would not catch the train.
20-Our team would have won the match if it (played – had played – has played – did play) well.
21-(If – unless – except – put) you hurry up you will miss the train.
22-(Had – if – should – were) he found the money he would have spent it.

3- Rewrite the following sentences

1- Ahmed didn’t receive his friend at the airport because he was ill,
(Begin with if

2- The lorry driver was so careful that he was able to avoid a terrible collision.
(Rewrite beginning with: “unless” …)
3- Many people were out of work. The factory had closed down
(Use: If…)

4- My brother didn’t leave the car keys so I couldn’t pick him up to the station.
(Rewrite beginning with: If…)

5- We didn’t go on holiday because we didn’t have enough money.
(Begin with: If…)
6- If he has enough time he will visit his uncle.( begin with : should )
7- Without blood banks many people would die. (Begin with: If it…)
8- If he had enough money he would buy a flat. (Begin with: had…)
9- I forgot your address. I didn’t send you an invitation card to my birthday party.
(Join using: If…)
10- He disobeyed his parents and therefore he lost all his money.

(Rewrite beginning with: If…)
11- Without the rescuer’s efforts many people would have died. (Use: If it …….)

12- He had to take a Taxi, otherwise he would have missed the train.

(Rewrite beginning with: Unless…)
13- Going to summer resorts on holiday will be difficult for government employees. ( Rewrite beginning with : If living expenses had been lower )
14- Magda lost her Tennis match, because she did not have enough practice.

(Rewrite the sentence beginning with: If…)
15 -My friend advised me to sell my old car. (Begin with My friend said “If I… You, I…)
16-The tourist didn’t have a map of the city, therefore he go lost.
(Join into one sentence using: If …….. )

1- Perhaps my brother will arrive from London next week, in that case , we will meet him at the airport . ( if )

2- You must speak very slowly or he will not be able to understand you. ( without )

3- The money he had wasn’t enough, so he didn’t buy a new flat. ( if )

4- I met the author one-day; I would ask him to sign my copy of the book. ( were )

5- You had better revise your lessons ( if )

6- If you refuse to listen to your father’s advice , you will be punished ( otherwise ( or – else )

7- - if it rains , I will stay at home . ( in case of )

8- but for his friend’s help , he couldn’t finish his duties ( if – unless )