When to use (is, am, are)
He plays football every Friday
He is from England
both sentences are in the present simple, in the first we didn't used (is) but we did in the second. my question is when we use (is, am, are) and when we don't.

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"Is" describes states, facts and situations. We can add it to [verb]ing to mean actions at this moment.

In other cases, we use the verb to describe the action

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I am a girl.           She is very kind.          They are my friends.

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Amira, you've given the best answer.  Thanks

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(am, is and are ) are verbs like play they mean to be  like in arabic انا اكون من انجلترا   . we use am with i , is with he or she and are with we,they or you . at the same we use plays with he or she and play with I ,we, you and they

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we use am is are in present continuous tense and when we have an adjective 
ex: 
Ali is playing tenis now .We are studying at the present time . I am Egyptian 
adj (He is Clever)