Tom said he wants to visit his friends this weekend.

Tom said he wanted to visit his friends that weekend.

Tom said he wants to visit his friends that weekend.

Tom said he wanted to visit his friends this weekend.

Helmets must be worn at all times when riding a motorcycle.

You must never take off your helmet.

Helmets should be taken off at all times when riding a motorcycle.

You must never wear your helmet while you are riding a motorcycle.

Jerry said I am studying English a lot at the moment.

Jerry said she was studying English a lot at the moment.

Jerry said I was studying English a lot at the moment.

Jerry said she is studying English a lot at the moment.

Our house was sold last year.

Our house has been bought since last year.

Our house has been bought for a year.

Our house was bought last year.

Would you mind giving me a hand?

I am very pleased if you give me a hand.

Would you please to help me?

I am very happy to help you.

Susan arrived late for the party because she didn’t take a taxi.

Although she took a taxi, Susan can’t come to the party in time.

In spite of taking a taxi, Susan arrived late for the party.

Susan arrived late for the party because of the taxi.

Her old school is larger than her new school.

Her old school is not so larger as her new school

Her old school isn't so large as her new school

Her old school is bigger than her new school

I saw that film because it is interesting.

I have never seen such an interesting film.

I don’t think it is the most interesting film.

If I knew the film was interesting, I would see it earlier.

She said she liked going out for a walk

She suggested that they went out for a walk.

She suggested going out for a walk.

She suggested to go out for a walk.