Auxiliary Verbs QuizOnline version Test your knowledge on the usage of auxiliary verbs is, are, was, and were. by Info Crecemos mas 1 Which auxiliary verb is used with singular subjects in the present tense? a was b were c are d is 2 What is the past tense form of the auxiliary verb 'is'? a were b are c be d was 3 Which auxiliary verb is used with plural subjects in the present tense? a were b are c was d is 4 What is the past tense form of the auxiliary verb 'are'? a was b be c were d is 5 Which auxiliary verb is used with singular subjects in the past tense? a were b was c are d is 6 What is the present tense form of the auxiliary verb 'were'? a be b is c are d was 7 Which auxiliary verb is used with plural subjects in the past tense? a were b was c are d is 8 What is the present tense form of the auxiliary verb 'was'? a were b be c is d are