Stories for children. Subtitled

Passive voice (Simple Present and Simple Past) 6º

From: http://www.perfect-english-grammar.com

Active and passive in English (6º) Beginner

From: https://www.englisch-hilfen.de/en/

Passive sentences in the simple past (6º)

From: https://www.englisch-hilfen.de/en/

How to use comparatives and superlatives (3º/4º)

From: http://learnenglishkids.britishcouncil.org

How to use modals must / mustn't (5º)

From: http://learnenglishkids.britishcouncil.org

How to use simple past endings (3º/4º/5º)

From: http://learnenglishkids.britishcouncil.org

Uso de Must y Can't (5º/6º)

From: https://www.eslgamesplus.com