Form 7b. Preparation for GRAMMAR quiz

For practicing:
https://www.englishpage.com/verbpage/verbs1.htm;
http://www.myenglishpages.com/site_php_files/grammar-exercise-adverbs-frequency.php;
http://www.englishexercises.org/makeagame/viewgame.asp?id=6009;
https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?04;
https://www.englishgrammar.org/sentence-transformation-exercise-5/.