Learn English feelings/emotions, some personal pronouns and the verb to be!

happy, sad, hot, cold, tired, scared, angry

I am happy!
He is happy!
She is happy!
We are happy!
They are happy?

Questions

Are you cold? No, I am not.
Are you hot? No, I am not.
Are you sad? No, I am not.
Are you happy? Yes, I am!

The English verb "to be"
Am I? - I am (not).
Are you? - You are (not).
Is he/she/it? - He/She/It is (not).
Are we/they? - We/They are (not).