Question

3) pass to past contínuos a) Jonathan to do our exercíse aff int neg b) Lucas and Pedro to have to Study a lot for the test aff int neg
4) use There is our There are a) a beautful beach in rio de janeiro aff int neg b) a music on the rádio aff int neg c) a thousand people on the street aff int neg

Answer 1

Jonathan did our exercise (Aff)
Jonathan didn't our exercise (Neg)
Did Jonathan our exercise? (Int)

a) There is a beautiful beach in rio de janeiro (Aff)
     There isn't a beatutiful beach in rio de janeiro (Neg)
     Is there a beautiful beach in rio de janeiro (Int)

b) There is a music on the rádio (Aff)
     There isn't a music on the rádio (Neg)
     Is there a music on the rádio (Int)

c) There are a thousand people on the street (Aff)
    There aren't a thousand people on the street (Neg)
    Are there a thousand people on the street (Int)