present-perfect tense - grammar
www.grammar.com › present-perfect-tenseThus, the present perfect is formed by taking the present tense of to have ( has or have) and adding the past participle of the main verb. The present-perfect tense is appropriate in two situations: (1) the action was completed at some indefinite time in the past or (2) the action occurred in the past but continues to the present.
Present perfect | LearnEnglish
learnenglish.britishcouncil.org › present-perfectThe present perfect continuous is formed with have/has been and the -ing form of the verb. We normally use the present perfect continuous to emphasise that something is still continuing in the present: She has been living in Liverpool all her life. It's been raining for hours. I'm tired out. I've been working all day.
Present perfect tense - grammar
www.grammar.com › present_perfect_tenseUse has/have and 3 rd form of verb to form present perfect sentence. For example – We have seen this movie. (see (1) saw (2) seen (3)) She has cleaned her room. (clean (1) cleaned (2) cleaned (3)) For some verbs (regular), the 2 nd and 3 rd forms are same. But in some verbs (irregular), both are different.