Form 5. Present Simple. Adverbs of Frequency

For practicing Present Simple:
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_s3.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_s4.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_negation.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_negation2.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_statements.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_statements2.htm;
https://www.englisch-hilfen.de/en/exercises/questions/simple_present.htm;
https://www.englisch-hilfen.de/en/exercises/questions/simple_present2.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_mix.htm;
https://www.englisch-hilfen.de/en/exercises/tenses/simple_present_mix2.htm.
For practicing Adverbs of Frequency:
https://www.myenglishpages.com/site_php_files/grammar-exercise-adverbs-frequency.php;
https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adverbs_of_frequency_order.htm;
https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adverbs_of_frequency_order_2.htm.
QUIZ:
https://www.ego4u.com/en/cram-up/tests/simple-present-1.

Forms 7a, 7c. Modals. To infinitive/ -ing form

For practicing modals:
https://www.perfect-english-grammar.com/modal-verbs-of-ability-exercise-1.html;
https://www.perfect-english-grammar.com/modal-verbs-of-obligation-exercise-1.html;
https://www.perfect-english-grammar.com/modal-verbs-of-probability-exercise-2.html;
https://www.english-grammar.at/online_exercises/modal-verbs/m005-must-mustnt-neednt.htm;
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-87468.php;
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-97711.php;
https://www.englisch-hilfen.de/en/exercises/modals/form.htm;
https://www.englishgrammar.org/modal-auxiliary-verbs-exercise-6/;
https://www.myenglishpages.com/site_php_files/grammar-exercise-modals.php.
For practicing to infinitive/ - ing form:
https://www.really-learn-english.com/gerunds-and-infinitives-exercise-03.html;
https://www.test-english.com/grammar-points/b1-b2/gerund-or-infinitive/2/;
https://www.perfect-english-grammar.com/gerunds-and-infinitives-exercise-1.html;
https://www.perfect-english-grammar.com/gerunds-and-infinitives-exercise-2.html;
https://learn-english-today.com/lessons/lesson_contents/exercises/gerund-infinitive_quiz1.html;
https://www.englishpage.com/gerunds/gerunds_infinitives_17.htm;
http://www.focus.olsztyn.pl/en-gerunds-infinitives-exercise.html#.XiiloW5uLDc;
https://www.english-grammar.at/online_exercises/gerund-infinitive/gerund-infinitive6.htm.

Forms 8a, 8c. Conditionals

For practicing conditionals:
https://www.grammarbank.com/zero-conditional-exercise.html;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_2_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_3_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/mix3.htm;
https://www.ego4u.com/en/cram-up/tests/conditional-sentences-3;
For practicing wish/if sentences:
https://www.perfect-english-grammar.com/wish-exercise-1.html;
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-5529.php;
http://usefulenglish.ru/grammar/subjunctive-mood-exercise-three;
https://www.esl-lounge.com/student/grammar/4g7-wishes-and-regrets.php;
https://www.test-english.com/grammar-points/b1-b2/wishes-regrets/.

Forms 8a, 8c. Future forms

For practicing:
https://www.englisch-hilfen.de/en/exercises/tenses/future.htm;
https://www.english-4u.de/en/tenses-exercises/future.htm;
https://www.ego4u.com/en/cram-up/grammar/future-mix/exercises;
https://www.test-english.com/grammar-points/b1/future-forms/;
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-6874.php.