When using the Past Continuous, you mustn’t forget about the auxiliary verb.
https://www.youtube.com/watch?v=S1GpqAw7DBU
Here are some Prepositions of time; during, for, since, past and until.
https://www.youtube.com/watch?v=hRyM3ke61Mc
Do you know how to use the words ‘for’ and ‘since’?
https://www.youtube.com/watch?v=ZOHiSlqPR94
