Respuesta:
1.- Use the past progressive for actions in progress at a particular time in the past.
2. Make the past progresssive with was/ were and verb + -ing
3.- Don't use the past progressive with verbs like know and believe
Explicación:
Question nº3.-
DON’T USE THESE VERBS IN PROGRESSIVE FORM
ENGLISH VERBS THAT CANNOT BE USED IN THE CONTINUOUS OR PROGRESSIVE FORM
Verbs of Thought: know, believe, remember, agree, disagree, recognise, think (as in to have an opinion), etc.
