ONLINE EXERCISES PRESENT PERFECT
https://www.learnenglish.de/games/tenses/prespersim.html
http://www.nspeak.com/newbasic/grammatica/presperfect.htm
https://www.english-grammar.at/online_exercises/tenses/t087-present-perfect-tense.htm
https://www.montsemorales.com/gramatica/PresPerf1.htm
https://www.english-at-home.com/grammar-present-perfect/
https://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?03
https://www.english-at-home.com/grammar-present-perfect/
https://agendaweb.org/exercises/verbs/present-perfect-mixed
https://agendaweb.org/exercises/verbs/present-perfect-multiple
https://agendaweb.org/exercises/verbs/present-perfect-sentences
Darrera modificació: dimarts, 17 de març 2020, 11:22