The verb be as a main verb in the Present Simple and the Past Simple

1. The verb be as a main verb in the Present Simple

1.1. Affirmative sentences

Long formsContracted forms
am from Germany.I‘m from Germany.
You are my friend.You‘re my friend.
She is my sister.She‘s my sister.
He is 21.He‘s 21.
It is hot.It‘s hot.
We are happy.Were happy.
You are my friends.You‘re my friends.
They are angry.They‘re angry.

1.2. Negative sentences

Long formsContracted forms
am not from Germany.I‘m not from Germany.
You are not my friend.You‘re not my friend.
You aren’t my friend.
She is not my sister.She‘s not my sister.
She isn’t my sister.
He is not 21.He‘s not 21.
He isn’t 21.
It is not hot.It‘s not hot.
It isn’t hot.
We are not happy.Were not happy.
We aren’t happy.
You are not my friends.You‘re not my friends.
You aren’t friends.
They are not angry.You‘re not angry.
You aren’t angry.

2. The verb be as a main verb in the Past Simple

2.1. Affirmative sentences

Long formsContracted forms
was happy.not possible
You were my friend.
She was angry.
He was my doctor.
It was hot.
We were sleepy.
You were in school.
They were sad.

2.2. Negative sentences

Long formsContracted forms
was not happy.wasn’t happy.
You were not my friend.You weren’t my friend.
She was not angry.She wasn’t angry.
He was not my doctor.He wasn’t my doctor.
It was not hot.It wasn’t hot.
We were not sleepy.We weren’t sleepy.
You were not in school.You weren’t in school.
They were not sad.They weren’t sad.