Don't forget finding out/to find out how many people are coming on Saturday.

Have you forgotten meeting/ to meet me years ago?

I remember putting/ to put the money in the top drawer, but it's not there now.

Remember checking/to check your answer before handing in your exam paper.

It cost me a fortune, 'but I don't regret spending/ to spend a year travelling around the world.

I regret telling/to tell you that the model you want is out of stock.

Dr Harris welcomed the members of the committee and went on introducing/to introduce the subject of the meeting.

Although she asked him to stop, he went on tapping/ to tap his pen on the table.

They stopped talking/to talk when the teacher walked into the classroom.

Passing the kitchen, he stopped drinking/to drink a large glass of water.