Identifying tenses

I was dreaming about you.

• Past continuous

• Present continuous

• Past simple

• Future simple

She studies hard before the exam.

• Past continuous

• Present continuous

• Past simple

• Present simple

It took him more than 3 hours to do it.

• Past continuous

• Present continuous

• Past simple

• Future simple

They will visit you there in about two weeks.

• Past continuous

• Present continuous

• Past simple

• Future simple

They are celebrating their 25th anniversary.

• Past continuous

• Present continuous

• Past simple

• Future simple

I had bought that long time ago!

• Present Perfect

• Present continuous

• Past simple

• Past Perfect

Katie has worked for that company for more than 4 years.

• Present Perfect

• Present continuous

• Past simple

• Past Perfect

She also had been working at home in her own business.

• Present Perfect

• Present continuous

• Past perfect continuous

• Past Perfect

Auxiliary verb for Present continuous

• am, is, are

• has, have

• had

• do, does

• was, were

Auxiliary verb for Present perfect

• am, is, are

• has, have

• had

• do, does

• was, were