Heather finished doing her homework. She went out. (when)
When Heather had finished doing her homework, she went out.
The teacher arrived. The students already stopped talking. (when)
When the teacher arrived, the students had already stopped talking.
Alia Sabur _____ (become) the world's youngest unviersity professor when she _____ (turn) 19.
had become/ turned
My new job _____ (not be) what I _____ (expect).
My new job wasn't what I'd expected.
By the time Christopher Langan ____ (be) three years old, he _____ (teach) himself to read.
was/ had taught
The hotel ____ (be) full, but _____ (book) in advance.
The hotel was full, but I'd booked in advance.
Stephen finished his breakfast. His sister left for school. (by the time)
By the time Stephen finished his breakfast, his sister had left for school.
When the police ______ (arrive), the thief _____ (already/ escape).
When the police arrived, the thief had already escaped.
She _____ (publish) her first poem before she _____ (be) 8.
She'd published her first poem before she was 8.
I woke up. I missed my doctor's appointment. (by the time)
By the time I woke up, I'd missed my doctor's appointment.
Christine got to the beach. It started to rain. (by the time)
By the time Christine got to the beach, it'd started to rain.
Akrit Jaswal _____ (manage) to perform hsi first operation at 3 because he _____ (read) books about it.
managed/ had read
I _____ (know) that I _____ (fail) the exam before I ____ (get) my results.
I knew that I'd failed the exam before I got my results.
They _____ (leave) before I _____ (speak) to them.
They left before I'd spoken to them.
We did the shopping. We came home and cleaned the house. (after)
After we'd done the shopping, we came home and cleaned the house.
He blew out the candles on his birthday cake. He started opening his presents (as soon as)
As soon as he'd blown out the candles.., he started opening his presents.
When Christopher Hirata _____ (celebrate) his 16th birthday, he _____ (start) working for NASA.
celebrated/ had started
By the time chess player Judit Polgár _____ (be) 16, she _____ (become) an international Grandmaster at chess.
was/ had become
Adam collected his luggage. He went to look for a taxi. (as soon as)
As soon as Adam had collected his luggage, he went to look for a taxi.