Both tenses are used to express that an action began in the past and is still going on or has just finished. In many cases, both forms are correct, but there is often a difference in meaning: We use the Present Perfect Simple mainly to express that an action is completed or to emphasise the result. We use the Present Perfect Progressive to emphasise the duration or continuous course of an action. 

the-present-perfect-simple-versus-the-present-perf_83294.docx

Present simple vs continuous (progressive) tense

the present perfect simple versus the present perfect progressive

the-present-perfect-simple-versus-the-present-perfect-progressive

Both tenses are used to express that an action began in the past and is still going on or has just finished. In many cases, both forms are correct, but there is…