"prefer leaving" is correct and can be used in written English.
Example sentence: I prefer leaving early so that I can avoid the traffic.
I prefer leaving these absorbing pages to careful readers.
Or would you prefer leaving him as a pinch-hitting weapon?
Even those who prefer leaving conversion to the marketplace now lend backhanded support to a Government role.
Everyone in Israel and especially in the army would prefer leaving Lebanon within the context of an agreement.
The averaging process over a large population of stochastic stimulation epochs cancels out the temporally changing components that a spike does not prefer, leaving the optimal signal for a neuron response.
Why this obsession with reaching it or, if you prefer, leaving?
All you have to do is decide which bank you prefer, Left or Right.
This expanding landscape, at times panoramic, at times cinematic--or sequenced if you prefer, leaves us in a contemplative state that endures long after you leave the gallery.
Many prefer left to right although either direction will work fine.
Remove all clothes or, if you prefer, leave your underwear on or your bra or both, whatever makes you comfortable.
Or, if you prefer, leave the key on the floor outside and let someone else know where you are.
