1
When I woke up, I realized I (left / had left / was leaving) my phone at the office.
had left
She (has lived / had been living / lived) here for ten years before moving abroad.
had been living
We (have studied / had studied / were studying) when the fire alarm rang.
were studying
He (has been waiting / had waited / was waiting) for over an hour when I finally arrived.
had been waiting
They (have traveled / traveled / had traveled) to Spain twice in the last year.
have traveled
While we (were hiking / hiked / had hiked), we saw a rare bird.
were hiking
My sister (has been practicing / was practicing / had practiced) piano for months before the competition.
were working
I (was sleeping / have slept / had been sleeping) when the thunder woke me up.
had been studying
She (has known / knew / had been knowing) him for years.
has known
We (have been waiting / had been waiting / were waiting) for hours before the show finally started.
had been waiting
When I arrived at the station, the train __________ (already/leave).
had already left
We __________ (play) for two hours before it started raining.
had been playing
She __________ (never/be) to Italy before last summer.
had never been
He __________ (watch) TV when the phone rang.
was watching
By the time she got home, her brother __________ (eat) all the cake.
had eaten
I __________ (live) in this city for five years now.
have lived
They __________ (work) on the project when the power went out.
were working
She __________ (study) for three hours before taking a break.
had been studying
We __________ (go) to the museum last Saturday.
went
The children __________ (play) in the garden since morning.
have been playing
hey started working on the project two months ago. (Use Present Perfect Progressive)
→ ____________________________________________
They have been working on the project for two months.
He finished his homework before going out. (Use Past Perfect)
→ ____________________________________________
He had finished his homework before going out.
We played football when it started to rain. (Use Past Progressive)
→ ____________________________________________
We were playing football when it started to rain.
She moved to Paris in 2015, and she still lives there. (Use Present Perfect)
→ ____________________________________________
She has lived in Paris since 2015.
The students were studying for the test when the teacher entered. (Use Past Perfect Progressive)
→ ____________________________________________
The students had been studying for the test when the teacher entered.