The sequence of tenses

She promised to help me if I ... the answer myself.

• haven’t found

• didn’t find

• won’t find

• wouldn’t find

He knew that she… as her eyes were red.

• is crying

• has been crying

• was crying

• had been crying

My younger son learned in class yesterday that the Earth … around the Sun.

• revolves

• is revolving

• revolved

• was revolving

Mary warned her parents that she … home late.

• came

• would come

• will come

• had come

Alice explained to us that the flower shop … down the road.

• had been situated

• was situated

• is situated

• situated

We saw the castles that … centuries before.

• had been built

• are built

• Were built

• built

Didn’t you know that Sharon … for the USA?

• has left

• has been left

• had been left

• had left

I thought you … so I tried to be quiet.

• slept

• were sleeping

• had slept

• had been sleeping

He explained that they … for us at seven near the gate.

• would be waiting

• will be waiting

• would wait

• will wait

I had no idea what the price of the book … .

• is

• has been

• will be

• was