"to do" in past perfect?
Had done
I ____________ the movie when the pizza finally _________.
Verbs: watch, arrive
I was watching the show when the pizza finally arrived.
She _______ in Sweden before she _______ to Norway.
Verbs: live, go
She had lived in Sweden before she went to Norway.
Is "thanked" the past simple form of "think"?
No, it's thought.
After the guests_______, the kids ________the house. (Leave, clean)
Options: past simple / past simple
After the guests left, the kids cleaned the house.
"to know" in past perfect?
They __________ to the beach, when the police ___________ them for speeding.
Verbs: drive, stop
They were driving to the beach when the police stopped them for speeding.
You _____ Mandarin before you ______ to China
Verbs: study, move
You had studied Mandarin before you moved to China.
We used "do or does" to make questions in the past?
No, we use "did"
Marc _______ Philadelphia so well because he ______ there for five years (know/live).
Options: present simple / past perfect
Marc knows Philadelphia so well because he had lived there for 5 years.
"to fly" in past perfect?
Had flown
I ___________ my wallet while we _________ to the supermarket.
Verbs: lose, walk
I lost my wallet while we were walking to the supermarket.
Before the students ________ to write, the teacher _________ their mobile phones.
Verbs: start, collect
Before the students started to write, the teacher had collected their mobile phones.
The past form of the verb "set" is also "set"?
Yes, some verbs never change they way they are written.
She ________ up all night because she ________ bad news (stay/receive).
Options: past simple / past perfect
She stayed up all night because she had received bad news.
"to be" in past perfect?
Had been
My mother _____________ when the fire alarm suddenly __________ off.
Verbs: sleep, go
My mother was sleeping when the fire alarm suddenly went off.
She _________ she __________ her purse.
Verbs: Not know, lost
She didn't know that she had lost her purse.
"has worked" refers to the "past perfect"?
No, it's present perfect.
My friend _______to go back to the store because she ___________a beautiful bag. (Want, see)
Options: past simple / past perfect
My friend wanted to go back because she had seen a beautiful bag.
"to wear" in past perfect?
Had worn
He ____________ the bottle of wine on the floor while he ____________ dinner.
Verbs: drop, cook
He dropped the bottle of wine on the floor while he was cooking dinner.
When the people ________ at the cinema the film _________ already ______.
Verbs: Arrive, start
When the people arrived at the cinema the film had already started.
The verb "begun" exists?
Yes, it's the past participle of the verb began (To start something for the first time)
He ______________ TV while he_____________ his homework. (watch, do)
Options: past continuous / past continuous
He was watching TV while he was doing his homework.