First Conditional | Conditional Sentences Type I | English Grammar

The First Conditional or Conditional Type I – Present or Future Real Conditional.

What is the first conditional?

  • Like a zero conditional, a first conditional sentence consists of two clauses, an “if” clause and a main clause.We use different verb forms in each part of a first conditional:

If + Simple Present, Subject + will/won’t + Verb.

For example:

If it rains, I will stay at home.

If I wake up late, I will miss the bus.

And, if it‘s sunny, we‘ll go to the park.

If Juan leaves, Paula will be sad.

  • You can reverse the order of the clauses. If the “if” clause comes first, a comma is usually used. If the “if” clause comes second, there is no need for a comma

 I will stay at home if it rains.

  • We use ‘may‘ or ‘might‘ to say that the future event is possible, but not definite.

For example:

If you need someone to help you move, I might be able to help.

If it’s a sunny day tomorrow, we might have a pool party.

  • Sometimes we use ‘be going to’ instead of ‘will’ in the main clause. This is done to emphasize a certain result.

For example:

I’m going to buy a new car next year if I have enough money.

If you don’t give me back my sweater right now, I’m going to scream!

She’s going to take a vacation next week if she gets time off work.

First Conditional | Conditional Sentences Type I | English Grammar


How to use the first conditional

The Conditional Type I is used to talk about things which are possible in the present or the future. It is generally used for things which may happen.

For example:

If you study hard, you will pass your exams.

If I find your email, I will send you the picture.

And, if Mary comes home, I will tell her about the exam.

If you cook the supper, I’ll wash the dishes.

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