UNIT 5 - QUESTION FORMS

PRACTICE:

https://www.perfect-english-grammar.com/subject-questions-exercise-1.html

https://www.esl-lounge.com/student/grammar/3g26-subject-object-questions.php

https://www.englisch-hilfen.de/en/exercises/questions/question_tags.htm

https://www.englisch-hilfen.de/en/complex_tests/question_tags/index.php

https://test-english.com/grammar-points/a2/subject-questions-questions-preposition/

UNIT 5 - PAST PERFECT & PAST SIMPLE

PRACTICE:
http://www.english-area.com/paginas/pastperfect.htm
https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/exercises?ex03
https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/exercises?ex04
https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/exercises?ex02

https://www.perfect-english-grammar.com/past-perfect-exercise-3.html

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

UNIT 5 - DIGITAL TECHNOLOGY

UNIT 5 - CRIME, CRIMINALS & CRIME FIGHTERS

UNIT 4 - PRES. PERFECT WITH EVER/NEVER

PRACTICE:

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-4147.php

http://www.1-language.com/englishcoursenew/unit52_grammar_exs.htm

https://www.usingenglish.com/quizzes/473.html