Fill in the Blanks Simple Present Negative Form Verb to Be Fill in the BlanksOnline version Fill in the blanks with the negative form of the verb to be in the simple present tense. by Uriel 1 isn't 'm aren't She happy . 2 aren't isn't 'm They friends . 3 aren't 'm isn't He tall . 4 'm aren't isn't The weather warm , 5 aren't isn't I ? m not interested .