Forms 6a, 6c. Past Simple vs Past Continuous

 For practicing PAST SIMPLE:

https://www.perfect-english-grammar.com/past-simple-exercise-8.html;

https://agendaweb.org/verbs/past_simple-exercises.html;

For practicing PAST CONTINUOUS:

https://www.perfect-english-grammar.com/past-continuous-exercise-1.html;

https://www.perfect-english-grammar.com/past-continuous-exercise-3.html;

https://agendaweb.org/verbs/past_progressive-exercises.html;

For practicing PAST SIMPLE vs PAST CONTINUOUS:

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive.htm;

https://www.perfect-english-grammar.com/past-simple-past-continuous-exercise-1.html;

https://www.perfect-english-grammar.com/past-simple-past-continuous-exercise-2.html;

https://agendaweb.org/verbs/past-continuous-past-simple-exercises.html.

Forms 8a, 8b. Passive voice. Causatives

 For practicing PASSIVE VOICE:

https://www.perfect-english-grammar.com/passive-exercises.html;

https://www.englisch-hilfen.de/en/exercises_list/passiv.htm;

https://agendaweb.org/verbs/passive-exercises.html.

For practicing CAUSATIVES:

https://www.perfect-english-grammar.com/causatives-exercise-2.html.

Form 3d. Revision on Unit 11

 For practicing some/any and articles an/a:

https://agendaweb.org/exercises/grammar/indefinite/any-some-1;

https://agendaweb.org/exercises/grammar/indefinite/any-some-2;

https://www.englishexercises.org/makeagame/viewgame.asp?id=5762;

https://agendaweb.org/exercises/grammar/a-an/index;

https://www.english-4u.de/en/grammar-exercises/some-any.htm;

https://agendaweb.org/exercises/grammar/any-some-quiz;

https://www.englishexercises.org/makeagame/viewgame.asp?id=1203;

https://www.focus.olsztyn.pl/en-english-some-any-exercises.html.