Forms 7a, 7c. Present Perfect vs Past Simple

For practicing Present Perfect:

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements2.htm;

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm;

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

https://www.perfect-english-grammar.com/present-perfect-exercises.html;

For practicing Present Perfect vs Past Simple:

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm;

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect3.htm;

https://www.perfect-english-grammar.com/past-simple-present-perfect-4.html;

https://www.english-4u.de/en/tenses-exercises/perfect-past-simple.htm;

https://www.ego4u.com/en/cram-up/grammar/simpas-preper;

For practicing irregular verbs forms:

https://www.perfect-english-grammar.com/irregular-verbs-exercise-1.html;

https://www.perfect-english-grammar.com/irregular-verbs-exercise-2.html;

https://www.perfect-english-grammar.com/irregular-verbs-exercise-3.html;

https://www.perfect-english-grammar.com/irregular-verbs-exercise-4.html.

QUIZ:

SATISFACTORY LEVEL MAX 6:

BASIC LEVEL MAX 8:

UPPER LEVEL MAX 10: