5th senior - Present perfect

Present perfect


Follow the links

http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises

http://www.englishclub.com/grammar/verb-tenses_present-perfect_quiz.htm

http://www.eclecticenglish.com/grammar/PresentPerfect1D.html

http://www.eclecticenglish.com/grammar/PresentPerfect1C.html