3.
I - Eu
tu, você - you
He - Ele
Ela - She
We - nós
vós, vocês - You
They - Eles
4. a) He is my friend at moment.
b) They are very well now.
c) John is very sad at moment.
d) We are intelligent
5. a) She is really happy
b) You are beautiful
c) They are very tired
d) I am not tall