The present perfect tense is a tense used in present to indicate the action that has taken place at some specific time. It uses auxiliary verb and past participle for the main verb i.e., verb + ed.

 Have or has is the first element which depends on the subject-verb is conjugated with. Similarly, the second element is the past participle of the very. It forms generally by adding –ed or –d to the root of the verb.

In order to form the present perfect tense, we use the word have or has followed by the past participle of the verb. For regular verbs, the past participle is a form of the verb that ends in -ed, -d, or -t. 

Examples of present perfect tense-

1)    I have worked as the manager for three years

2)    She has sung a song

3)    I have planted some plants in my garden

4)    I have woken early in the morning

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