ONLINE PRACTICE
- http://www.englishpage.com/verbpage/presentperfect.html
- http://learnenglish.britishcouncil.org/en/english-grammar/verbs/present-tense/present-perfect
- http://www.perfect-english-grammar.com/present-perfect.html
- http://www.perfect-english-grammar.com/present-perfect-use.html
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test2
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test3
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex07
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex08
- https://www.ego4u.com/en/read-on/countries/usa/tour/grand-canyon#exercises
- https://www.ego4u.com/en/cram-up/grammar/simpas-preper
GAMES
VIDEOS
