4*) passe para a forma negativa abreviada.

a) they are not teacher.
b) jane is not well today.
c) h eis not a singer.
d) it is not a orange.

5*) passe para a forma afirmativa.

a) jane is not well today.
b) are you my friend?
c) she isn`t a secretary.
d) is she well?

1 - c  

2- c

3- c

4 - b  

5 - a (I am – he is – it is – she is – we are – you are – they are)

6 - Is he not an intelligent guy?  

7 - Complete using verb to be:

a) They __are our cousin. (Eles são nossos primos.)

b) Jane is a good teacher. (Jane é boa professora.)

c) I am ready. (Eu estou pronta.)

d) You ___are wrong. (Você está errado.)

e) The driver is complaining. (O motorista está reclamando.)  

f) The cat is on the tree.(O gato está na árvore.)  

g) We are tired today. (Nós estamos cansados hoje.)  

h) You are dismissed. (Vocês estão demitidos.)

8 -  a) You are good in Mathematics. (Você é bom em matemática.)  

Int:are you good in Mathematics?

Neg:You are not good in Mathematics.

b) I am jealous. (Eu sou ciumento.)  

Int:am I jealous?  

Neg: I am not jealous

c) Susan is nervous. (Susan está nervosa.)  

Int:Is Susan nervous?  

Neg: Susan is not nervous

a) They are at school now.  

They're at school now.  

b) I am happy today.  

I'm happy today

c) He is our driver.  

He's our driver  

d) We are not interested.  

We're not interested.

e) I am not a fool.  

I'm not a fool.

Explicação:

D) They'll travel by plane - Eles vão viajar de avião