You had better have gone by ship.

I prefer going on foot to going by bus.

I think it better to go at once.

You should go to the hospital at once.

He said that you had better go.

If you are going to a convenience store, it's better to bring a discount coupon along with you, I think.

I prefer to go by bicycle.

I prefer to go alone.

It is cheaper to go by bus.

You had better go by tram.