Forms 8a, 8b. Infinitive/-ing form (Gerund)

 For practicing:

https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?04;

https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?05;

https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?06;

https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?07;

https://www.englishpage.com/gerunds/gerunds_infinitives_1.htm;

https://www.englishpage.com/gerunds/gerunds_infinitives_2.htm;

https://www.perfect-english-grammar.com/gerunds-and-infinitives-exercise-1.html;

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-19903.php.