Marque a alternativa que tem a forma interrogativa correta no Simple Present.

The birds build their nests on the trees?

Do the birds build their nests on the trees?

Does the birds build their nests on the trees?

Marque a alternativa que tem a forma afirmativa correta no Simple Present.

The birds builds their nests on the trees.

The birds do build their nests on the trees.

The birds build their nests on the trees.