Guessing Tom's life events

While Tom ___________ (Past Continuous), his mother _____________ (Past Simple).

When Tom graduated, he ______________ (Past Simple).

Tom ______________ (Past Perfect) before his friends ________________ (Past Simple).

Last weekend, while his father _______________ (Past Continuous), his mother _______________ (Past Continuous)

In 2000, Tom's parents ______________ and _____________ (Past Simple).

After Tom ______________ (Past Perfect) for 10 years, he _______________ (Past Simple).

Tom _______________ (Past Simple) in 2015.

When Tom was 4 years old, he ______________ (Past Simple).