Formal or informal

would you be interested in watching a movie later ?

Do you want a guarantee for your new phone ?

Would you be interested in purchasing a guarantee with your new phone ?

Can I get a cheeseburger and fries ?

I’d like a cheeseburger and fries, please.

This tv show totally sucks.

I’m not a fan of that show.

I find that particular show to be rather off-putting.

She was unable to complete the assignment on time.