16 Sep 2015 Home » Grammar » Past Negative – Grammar Study Past Negative – Grammar Study Posted in Grammar By englishlearn_admin On September 16, 2015 Past Negative – Grammar Study When forming the NEGATIVE of past tense statements(with no ‘Be’ verbs), simply add didn’t and keep the main verbs as infinitives. Tags:grammar, negative, past, study Related Posts Present Perfect Tense vs Past Simple Tense Modal Verbs – REQUEST Every vs Each (Using and Differences with Examples)