PRESENT CONTINUOUS; s+verb+not to be+verb-ing+complement
e.g "He is not eating vegetables because he doesn't like them"; NEGATIVE; INTERROGATIVE; verb To be+s+verb-ing forms+ complement
e.g. "what are he eating now?"; AFIRMATIVE; Subject+ verb To be+ verb-ing form+complement
e.g "He is eating pizza because it is his favorite food"