Verb Tense I
Verb Tense II
Transformation of tenses
100

I like to play.

Simple Present 

100

By the time I arrive to the school, Math lesson will have started.

Future Perfect.

100

Change the verb tense to past perfect.

Rose has visited her parents.

Rose had visited her parents.

200

She didn't travel last year.

Simple Past

200

We were watching a crime show.

Past Continuous

200

Change the verb tense to Future Perfect.

Mary and James have worked together before.

Mary and James will have worked together by the end of the year.

300

She has been ill since last month.

Present Perfect

300

John has missed the bus , so he'll be late.

Present Perfect

300

He had never lived alone. (Present Perfect) 

He has never lived alone.

400

You will earn a lot of money.

Simple Future

400

The boys are playing football after school.

Present Continuous

400

I know this. (Simple past)

I knew trhis.

500

James will be telling us some interesting stories.

Future Continuous

500

I had been to London twice by the time I got a job in New York.

Past Perfect

500

The city was flooded after the rains. (Past Perfect)

The city had flooded after the rains.