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Well, in this occasion, I will give explanation about Conditionals.
Do you ever hear about this material before? If you are not, please pay attention my explanation about this material and read this material carefully. Oke, check this out.
Conditional Sentences
Conditional Sentence Type 0
Conditional type zero is used to talk about general truths, scientific facts or things which always happen under certain conditions.
Form:
| If + Simple Present, + Simple Present |
Use:
The zero conditional is used to talk about things which are always true, scientific facts, general truths:
Examples:
If you are happy, I am happy.
If there is snow, we make snowmen.
He cleans if I cook.
f you don’t mind, I need a glass of water
NOTE: you can use “when” instead of “if”.
Conditional Sentence Type 1
Often called the “real” conditional because it is used for real or possible situations. These situations take place if a certain condition is met. It is possible and also very likely that the condition will be fulfilled.
Form:
| If + Simple Present, + Simple Future |
Use
Conditional Sentences Type 1 refer to the future. An action in the future will only happen if a certain condition is fulfilled by that time. We don’t know for sure whether the condition actually will be fulfilled or not, but the conditions seems rather realistic – so we think it is likely to happen.
Example:
If I have a lot of money, I will go to America.
I will sleep if I am sleepy.
If my father has much money, he will buy a new house.
If she has my address, she will send the invitation to me.
They will buy a car if they have money.
My mother will go to Bali if she has a lot of money.
You will be late if you sleep late.
He will not come if you are angry with him.
Conditional Sentence Type 2
Often called the “unreal” conditional because it is used for unreal impossible or improbable situations. This conditional provides an imaginary result for a given situation. It is very unlikely that the condition will be fulfilled.
Form:
| if + Simple Past, + would + base verb |
Were / Was
In conditional type 2, we usually use in the if clause “were” instead of “was” even if the pronoun is I, he, she or it. “were” here is a subjunctive form.
NOTE “was” is also a possible form.
Example:
If I found her address, I would send her an invitation.
I would send her an invitation if I found her address.
If I had a lot of money, I wouldn’t stay here.
If I were you, I would not do this.
Use
Conditional Sentences Type 2 refer to an action in the present that could happen if the present situation were different. I don’t really expect the situation to change because it is very unlikely.
Example:
If I had a lot of money, I would travel around the world.
Conditional Sentence Type 3
It is impossible that the condition will be met because it refers to the past.
Form:
| if + Past Perfect, + would + have + Past Participle |
Use
Conditional Sentences Type 3 refer to situations in the past. They express hypothetical results to past given situations.
Example:
If he had been careful, he wouldn’t have had that terrible accident.
Sometimes in the past, he was careless. He drove so fast. So he had a terrible accident
More example
If I had found her address, I would have sent her an invitation.
I would have sent her an invitation if I had found her address.
If I hadn’t studied, I wouldn’t have passed my exams.
If John had had the money, he would have bought a Ferrari.
Things to remember
- The main clause can also be at the beginning of the sentence. In this case, don’t use a comma.
Examples:
“Phosphorus burns if you expose it to air.”
” I will send her an invitation if I find her address.”
” I would travel around the world if I had a million dollars.”
“He wouldn’t have had that terrible accident if he had been careful.”
- Main clause and/or if clause might be negative.
Example:
If I don’t see him this afternoon, I will phone him in the evening.
If he had been careful, he wouldn’t have had an accident.
I think my explanation about the point above is enough. If you have a question about the grammar rule I have just explained just now, you can write a comment in the comment form below. I will feel happy to answer your question or may be if you have suggestion or correction about it, you can also write a comment.
Refference
https://www.myenglishpages.com/site_php_files/grammar-lesson-conditionals.php