Describe Actions Completed Before Others with "Had Done"

She had eaten breakfast before she left for work.

Patternseat — ate — eaten^leave — left — left

They had already left by the time we arrived.

Patternsleave — left — left

He had studied hard before taking the exam.

Patternstake — took — taken

By the time you called, I had already gone to bed.

Patternsgo — went — gone

She had written a letter before she visited him.

Patternswrite — wrote — written

We had finished our project before the deadline.

They had practiced a lot before the performance.

He had read the book before watching the movie.

Patternsread — read — read

By the time the meeting started, I had prepared my notes.

She had learned to drive before she got her license.

Patternslearn — learnt — learnt^drive — drove — driven^get — got — gotten

Had you ever traveled abroad before your trip last year?