Everyone hoped the plan would work. (change hopes to hoped)

By the time negotiations began, many pessimists had expressed doubt about them. (change have to had )

Scientists predict that the sun will die in the distant future.

Harry wants to show his friends the photos he took last summer.

2. As Barbara puts in her contact lenses, the telephone rang. (change puts to put) OR As Barbara puts in her contact lenses, the telephone rings.

The boy insisted that he had paid for the candy bars. (change has to had)

The doctor suggested bed rest for the patient, who was suffering from a bad cold. (change suffers to was suffering)

1. If the club limited its membership, it will have to raise its dues. (change will to would)

U 5. After Capt. James Cook visited Alaska on his third voyage, he was killed by Hawaiian islanders in 1779. (change is to was)

We stand patiently, hoping that change will occur.

The moderator asks for questions as soon as the speaker has finished. (asks as habitual action; will ask is also possible)

I was terribly disappointed with my grade because I had studied very hard. (change studied to had studied)