You weren't walking past the car when it exploded (+)
You were walking past the car when it exploded
My parents came to visit me last July (special question about time)
When did your parents come to visit you?
You used to be a teacher (general question)
Did you use to be a teacher?
You ...... stay at Danny's when he's out of town (it's allowed)
I can stay at Danny's when he's out of town
She has lived in Liverpool all her life (general question)
Has she lived in Liverpool all her life?
You ....... use my car (it's not allowed)
You can't/mustn't use my car.
She has started working as a scientist since 2018 (special question about time)
When has she started working as a scientist?
You ...... work better if you want a higher salary (it's necessary for you)
You must work better if you want a higher salary
Have you ever been to this place before? (-)
I haven't been to this place before
He lived in Fiji in 1976 (-)
He didn't live in Fiji in 1976
I haven't seen that film before (+)
I've seen that film before.
We....finish the essay by Friday. Our teacher has asked us to do so (it's necessary not for you)
We have to finish the essay by Friday. Our teacher has asked us to do so
I used to have long hair (-)
I didn't use to have long hair
She was cooking when I telephoned her (special question)
What was she doing when I telephoned her?
I didn't bring my lunch to school when I was a child (+)
I brought my lunch to school when I was a child
I was working at 10pm last night (-)
I wasn't working at 10pm last night.
When you go to London, you ....... go to the theatre (it's a good idea)
When you go to London, you should go to the theatre
We saw a good film last week (general question)
Did you see a good film last week?
They ........ write the word (it's an ability)
They can write the words.
We were cooking all morning (general question)
Were we cooking all morning?