01/12/2023
Section (12)
SPECIAL USE OF “IF”
1. Positive Usage- (Present and Future Definite)
2. Conditional Usage
1. Positive Usage for Present Definite
If/ when/ Whenever+ Present Tense Verb and Present Tense Verb
1. If you mix yellow and blue, you get green.
When you mix yellow and blue, you get green.
2. If she wants the servant, she rings the bell.
When/ Whenever she wants the servant, she rings the bell.
(2) Positive Usage for Future Definite
If+ Present Tense Verb,+ Future(ie. Will)
1. If you try hard you will succeed.
Conditional Usage
1. Contrary to facts (2) Imaginary (3) Impossible
(1) Contrary to facts
If+ Past Simple…., ………….Would
If you tried, you would pass the examination.
(2) Imaginary
If+……were+ Noun/Adj/ Phrase+ …………would……
1. If I were rich, I would buy a new car.
2. If I were in high position, there would be many friends around me.
3. If you were my brother, I would look after you.
(3) Impossible
If+ Past perfect…,+ would have+ V3
1. If the driver had be careless, all the passengers would have been killed.
2. If I had had enough encouragement, I would have become a doctor.
MORE ABOUT IF
PATTERN 1
IF+ IT WERE NOT FOR +NOUN+ WOULD
1. If it were not for his blindness, no one would pity him.
(but+ for his blindness, no one would pity him)
PATTERN 2
IF IT HAD NOT BEEN FOR +NOUN+ WOULD HAVE +V3
1. If it had not been for your help, the child would have drowned.
(But+ for your help, the child would have drowned.)
PATTERN 3
WHAT IF+ COMPLETE SENTENCE?
WHAT WILL HAPPEN IF + COMPLETE SENTENCE?
1. What if it rains while we are a long way from shelter?
What will happen if it rains while we are a long way from shelter?
2. What if the rumour is true?
What will happen if the rumour is true?
PATTERN 4
WHAT IF/ WHAT WILL HAPPEN IF/ SUPPOSING+ COMPLETE SENTENCE
1. What if it rains while we are a long way from shelter?
What will happen if it rains while we are a long way from shelter?
Supposing it rains while we are a long way from shelter.
PATTERN 5
RELATION BETWEEN “IF” AND SHOULD
1. IF+ ANY SUB+ SHOULD + PLURAL VERB, …..WOULD
IF + ANY SUB+ WERE TO + PLURAL VERB,…….WOULD
1. If he should hear of your marriage, he would be surprised.
If he were to hear of your marriage, he would be surprised.
PATTERN 6
If an event is unlikely or improbable,” should” may be used in the if-clause. (Learner’s Dictionary)
IF+SUB+ SHOULD………., SENTENCE
1. If anyone should call, please let me know. (L.D)
2. If it should be necessary, I could come at six. (L.D)
PATTERN 7
“Will” in an if- clause shows a part of the polite formula (L.D)
1. If you will wait a moment……
Please wait a moment……..
(1) If you will wait a moment and I will go and tell the manager that you are here.
Please wait a moment and I will go and tell the manager that you are here. (L.D)
PATTERN 8
1. If+ sub+ should……..(Should+ Sub+………)
2. If+ sub+ were……….(Were+ Sub+………)
3. If sub+ had…………(had+ sub+………..)
1.If it should be necessary,……….(Should it be necessary)
2. If I were in your place,………….(Were I in your place)
3. if I had known earlier, ………..(Had I known earlier)
4. If I should see him, I shall let you know.
(Should I see him, I shall let you know.) (Practical English Usage 117)
5. If I had known, I would never have asked him to come.
Had I known, I would never have asked him to come.
(Practical English Usage 117)
PATTERN 9
Assuming/ If
On condition that/ If
Provided that, in case/ If
Present tense Verb……, and/ If
……….would……to+ verb/ If
1. Assuming we have good weather, we shall be at our camp by dusk.
If we have good weather, we shall be at our camp by dusk.
2. I shall go on condition that (=Provide that) you come with me.
I shall go if you come with me.
3. In case you come, I will entertain you with tea.
If you come, I will entertain you with tea.
4. Try hard, and you will pas the examination.
If you try hard, you will pass the examination.
5. I would be very happy to see you.
I would be very happy if I saw you.
PATTERN 9
WITHOUT/IF…NO/NOT
1. Without his books, he would know nothing.
2. If he had no books, he would know nothing.
PATTERN 11
As if/ as though
1. It looks as if (as though) they were telling the truth.
2. He talks as if (as though) he knew all about it.
3. It rained as if (as though) it would never stop.
PATTERN 12
EVEN IF
1. Even if I go to bed early, I always wake up late.
2. Even if you lived to be a hundred, you would never be satisfied with your life.