Verb -ing or to infinitive

Helen __________ to learn French.

I really can't ________ to travel by plane.

Do you ______ coming back in half an hour?

Tina _______ to buy some potatoes, but she forgot.

Emily ______ opening the office safe.

Bill _______ making a serious mistake.

My parents _______ to send me to a different school.

I really ______ a trip to the country.

Tom suddenly realized he'd forgotten ______ his door.

On the way back we stopped _______ some tea.

Could you stop _______ , please.

Learning a language means _______ interested in another culture.

Ann tried ______ the window, but it was too high to reach.

Please remember _______ the dog for a walk.

Cathy says she'll never forget _______ for the first time.