Fill in the Blanks Verb BE practiceOnline version Let's practice the verb BE in the affirmative, negative, and interrogative forms. by VINICIUS VIEIRA LEMOS 1 are are is is not not am She's is I'm are not they am am Is is you is are Are a ) Mark at work . Yes , he . b ) Hello , Jennifer . How you today ? I fine , thank you . And you ? c ) My mother a doctor . d ) John and Bill on vacation ? Yes , are . They in Bahia today . e ) I at home . I am at the gym . f ) Maggie and Jessica at the cafeteria . g ) Are an English student ? No , not . I a Spanish student . h ) David sick , so he isn't at work today . i ) They teachers . They are students . j ) How your mother ? She fine . She's at work today . on vacation .