Form 5

https://www.englisch-hilfen.de/en/exercises/tenses/present_progressive_statements_long2.htm
https://www.englisch-hilfen.de/en/exercises/tenses/present_progressive_statements_long.htm
http://www.adelescorner.org/grammar/pres_cont/pres_cont_1.html

Form 3

https://agendaweb.org/exercises/verbs/tobe-present.htm
https://agendaweb.org/verbs/tobe-present/index.html
http://elovivo.com/introenglish/en/intro_english/lessons_wordlist/basic_english_lesson_01/lesson01a_ex.html

Form 4

https://www.englishexercises.org/makeagame/viewgame.asp?id=2359
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-8777.php
http://www.eflnet.com/vocab/dictionary/clothing_quiz4.php