Present perfect Negative and Interrogative

Present perfect Negative and Interrogative

1. Negative phrases in Present Perfect Simple include “not” after the auxiliary verb and follow the following structure: Subject + auxiliary verb to have in Simple Present + not + main verb in Past Participle + complement.

   • Obs .: the verb to have (ter) can be used in the contracted form when conjugated in the Present Perfect. In this case, haven't been used as a contracted form of have not and hasn't been used as a contracted form of has not.

2. To ask questions in the Present Perfect Simple, it is necessary to invert the order of the auxiliary verb in the sentence, that is, it is positioned before the subject.

   • The Present Perfect interrogative form follows the following structure: Auxiliary verb to have in Simple Present + subject + main verb in Past Participle + complement

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