My experience
Grammar
Make a story
100
Used to /before studying at tec
Before studying at Tec I used to have more free time.
100
I _______ (do) my homework when my parents arrived home.
was doing
100
Past Perfect
John was looking for some snacks and saw that the dog had been eating all the doritos.
200
My parents /Last week
Last week, my parents went to buy groceries.
200
Last night I _______ (forget) to send my homework.
forgot
200
Past Simple
Yesterday my little brother fell asleep on the couch.
300
Because of... / have been
Because of the quarantine I have been doing more exercise.
300
She told me she ________ (study) all week before the exam.
had studied / had been studying
300
Past Continuous "when"
Yesterday the Johnson were having dinner when the lights went out.
400
Yesterday / when / interrupted
Yesterday I was working when one of my dogs interrupted me.
400
Julie and John _____ (not/met) before last night's party.
Hadn't met
400
Past Continuous "while"
Yesterday my family was watching neftlix while I was raining.
500
had been / before / for 3 months
Before the quarantine I had been going to school for 3 months.
500
Joana ______ (learn) to cook before the quarantine started.
had been learning
500
Past Perfect "for an hour" "before"
I had been reading a book for an hour before it was time to have dinner.