Extra Practice Links:
Modal Verbs:
https://www.perfect-english-grammar.com/modal-verbs-of-ability-exercise-1.html
https://www.englishclub.com/grammar/verbs-modals-can-could-able-quiz.htm
Prepositions and Adjectives:
https://www.perfect-english-grammar.com/adjectives-and-prepositions-exercise-1.html
Adjectives:
https://www.perfect-english-grammar.com/participle-adjectives-exercise-1.html
https://www.englishclub.com/grammar/adjectives-gradability-quiz.htm
Connectives:
https://www.perfect-english-grammar.com/linking-words-contrast-exercise-1.html
https://www.perfect-english-grammar.com/linking-words-reason-exercise-2.html
parts of speech:
https://www.englishclub.com/grammar/parts-of-speech-quiz.htm
https://www.usingenglish.com/quizzes/574.html
Grammar:
https://www.englishclub.com/esl-quizzes/grammar-3-true-or-false.htm
Tenses:
https://www.englishclub.com/esl-quizzes/grammar-5-tenses-2.php
Pronouns:
https://www.usingenglish.com/quizzes/62.html
Simple, compound, complex sentences:
https://www.englishgrammar.org/simple-complex-or-compound-sentence/