Conjunctions so and because

http://a4esl.org/q/h/lb/sobe.html

Practice Gerunds or Infinitives

http://www.myenglishpages.com/site_php_files/grammar-exercise-gerunds.php

http://www.focus.olsztyn.pl/en-gerund-infinitive-test.html#.Wvr3TdMvzq0

http://www.focus.olsztyn.pl/en-infinitive-gerund-exercises.html#.Wvr3UtMvzq0

http://www.focus.olsztyn.pl/en-verb-gerund-or-infinitive.html#.Wvr3VdMvzq0

https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?21

Practice Modal Verbs

http://esl.fis.edu/grammar/multi/modal1.htm

https://www.perfect-english-grammar.com/modal-verbs-of-ability-exercise-1.html

https://www.ecenglish.com/learnenglish/lessons/modal-verbs-practice

Listening practices

https://www.examenglish.com/A1/A1_listening_at_the_doctor.htm

https://www.examenglish.com/A1/A1_listening_shopping.htm