To form the present perfect, the auxiliary verb "to have" is used in the present and the past participle of the verb. For affirmative sentences we have: Subject + auxiliary verb (to have) + past participle We have then that the correct sentence in English is: "You have gone to the sea in the summer" The correct sentence translated into Spanish is: "Tú has ido al mar en el verano" Answer: the present perfect correctly is for the sentence: Tú has ido al mar en el verano