PRESENT PERFECT

EXERCISES

https://agendaweb.org/exercises/verbs/present-perfect-2.htm

https://agendaweb.org/exercises/verbs/present-perfect.htm

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

https://agendaweb.org/exercises/verbs/present-perfect-mixed.htm

https://agendaweb.org/exercises/verbs/present-perfect-sentences.htm

https://www.englisch-hilfen.de/en/exercises/confusing_words/since_for.htm

https://agendaweb.org/grammar/for_since_already-exercises.html