However, members in the group changed back and forth occasionally.

These are liable to change occasionally as they are dependent on international events.

Over the poll's years, the categories were occasionally changing.

While some experts believe that occasionally changing your shampoo is necessary for healthy hair, others don't think it makes a bit of difference.

Your doctor may occasionally change your dose over several weeks or months to make sure you get the best results.

Your child's doctor may occasionally change the dose to make sure and get the best results from this medication.

The service schedule occasionally changes for special events and seasonal feasts.

Manufacturers occasionally change recipes, and a trigger food may be added to the new recipe.

Your doctor may occasionally change your dose to make sure you get the best results.

To complicate matters further, the department occasionally changes the hours that its "windows" are open to the public.