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Present perfect tenses


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Present perfect tenses

  1. 1. PRESENT PERFECT TENSES<br />The structure of the present perfect tense is:<br />subject+auxiliary verb+main verb  have past participle<br />Here are some examples of the present perfect tense:<br /> subjectauxiliary verb main verb +Ihave seenET.+Youhave eatenmine.-Shehasnotbeento Rome.-Wehavenotplayedfootball.?Haveyou finished? ?Havethey doneit?<br />Contractions with the present perfect tense<br />When we use the present perfect tense in speaking, we usually contract the subject and auxiliary verb. We also sometimes do this when we write.<br />He's or he's??? Be careful! The 's contraction is used for the auxiliary verbs have and be. For example, " It's eaten" can mean: It has eaten. [present perfect tense, active voice]It is eaten. [present tense, passive voice]It is usually clear from the context.<br /> <br />I haveI'veYou haveYou'veHe hasShe hasIt hasJohn hasThe car hasHe'sShe'sIt'sJohn'sThe car'sWe haveWe'veThey haveThey've<br />Here are some examples:<br />I've finished my work.<br />John's seen ET.<br />They've gone home.<br />