1

×  I should do it now, but I prefer leave it for later.
√  I should do it now, but I prefer to leave it for later.

We can say prefer to do something or prefer doing something (NOT *prefer do). There is a slight difference:

  • Use prefer to do something when you are talking about some particular action: ‘I prefer to wash the dishes now.’
  • Use prefer doing something when you are talking about something in general: ‘People usually do their shopping at the shopping centre, but I prefer shopping at the market.’ 

 

2

×  I prefer emails than text messages.
√  I prefer emails to text messages.

×  I prefer shopping online than going to the shops.
√  I prefer shopping online to going to the shops.

We say prefer A to B (NOT *than): ‘We prefer jazz to blues.’

 

3

×  I’d prefer doing my homework later.
√  I’d prefer to do my homework later.

×  I know we have to eat the meat, but I’d prefer eating fish today.
√  I know we have to eat the meat, but I’d prefer to eat fish today.

When we are referring to a future event, or an imaginary situation (a wish), we use (would) prefer + to infinitive (NOT -ing): ‘I’d prefer to do it myself’