present perfect

present perfect

1. use in graman

   • subject + have/has + verb in past participle+ complement
     • for example
       • I have tried Brazilian fish

2. To write the affirmative from of the Present perfect we use as auxiliary the verb to have in present simple and accompanied by the main verb in its Past participle

   • use regular and regular verb
     • is very common use 3° person place in the verb a s

3. to write the negative from of the present perfect use have not /has not

4. to write the questions use have /has+ subject + verb+ complement

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