prefer ---- to -----加什么时态?

prefer ---- to -----加什么时态?
prefer ---- to -----加什么时态?

prefer ---- to -----加什么时态?
prefer sth to sth
prefer doing sth to doing sth
这是固定词组= like sth better than sth 或like doing sth better than doing sth
比起（做）.更喜欢(做).

prefer to do sth.
prefer A to doing sth.