This video explains the past continuous tense.
LINKS...
Entry 3 Reading and Writing:
https://www.amazon.co.uk/dp/B096M1LGGS
Entry 3 Grammar:
https://www.amazon.co.uk/dp/B0B7QTF2GF
Level 1 Reading and Writing:
https://www.amazon.co.uk/dp/B09RM46VCW
Level 1 Grammar:
https://www.amazon.co.uk/dp/B0BPB47CM4
