Present Perfect Tense

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I have sung

The present perfect tense is a rather important tense in English, but it gives speakers of some languages a difficult time. That is because it uses concepts or ideas that do not exist in those languages. In fact, the structure of the present perfect tense is very simple. The problems come with theuse of the tense. In addition, there are some differences in usage between British and American English. How do we make the Present Perfect Tense? The structure of the present perfect tense is: subject+auxiliary verb+main verb havepast participle Here are some examples of the present perfect tense: subjectauxiliary verbmain verb +IhaveseenET. +Youhaveeatenmine Shehasnotbeento Rome Wehavenotplayedfootball ?Haveyoufinished? ?Havetheydoneit? Contractions with the present perfect tense 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. 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 haseaten. [present perfect tense, active voice] It is eaten. [present tense, passive voice] It is usually clear from the context. I haveI've You haveYou've He has She has It has John has The car has He's She's It's John's The car's We haveWe've They haveThey've Here are some examples: I've finished my work. John's seen ET. They've gone home. How do we use the Present Perfect Tense? This tense is called the present perfect tense. There is always a connection with the past and with the present. There are basically three uses for the present perfect tense: experience change continuing situation

Present Perfect Tense