Question

Escreva as formas verbais do verbo to be no present tense .

Answer 1

O verbo to be equivale aos verbos "ser ou estar" no português, porém no passado ele se transforma em was ou were de acordo com os pronomes.
 Forma afirmativa: There is (singular) - There are (Plural)
Forma negativa: There is not (singular) - There are not ou There aren't (Plural)
Forma interrogativa: Is there? (Singular) - Are there? (Plural)

Answer 2

Am / am not -> exclusivamente para o pronome I

Is / isn't -> he - she - it

Are / aren't -> you - we - you they