Basic English Grammar I

(Marvins-Underground-K-12) #1
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Conditional Sentences


To talk about things that are possible, you often use if in a sentence.
A sentence with if is called a conditional sentence. Here is an example
of a conditional sentence with the if-clause printed in color.

If  it rains    tomorrow,   we  shall   not go  to  the beach.

In the if-clause, use a verb in the simple present tense. In the main
clause, use shall or will and an infinitive. Here are some more examples.
The if-clauses are in color and the main clauses are in bold print.

If  there’s no  rice    in  the cupboard,   we’ll   buy some    more.
If we don’t work hard, we’ll never learn.
If we leave now, we’ll arrive on time.

You may also put the main clause before the if-clause.

We’ll   play    indoors if  it rains.
You’ll get sick if you don’t eat good food.
Sam will do well in his piano recital if he practices regularly.

Positive and Negative Sentences


A positive sentence tells you about something that exists or something that
is happening.

I   like    ice cream.
Michael is my brother.
The train leaves at five o’clock.
I’m feeling really tired.
She’s finished her homework.
Dad is in the kitchen.
There’s a cartoon on TV.

        simple  present                                                                                                                                                 shall/will      +       infinitive
tense verb



Sentences: Conditional Sentences; Positive and Negative Sentences


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