To whom much is given, much is required. Those who haven't received much, don't have much to give. To get that "much" demands one truly prepare, and not merely by reading the Word. For what is needed goes far beyond an assembly's pet doctrines.
There are enough approaches to evangelism to fill a tome -- everything from casual discussion to street evangelism, to the inclusion of Scripture in a school assignment.
I find it to be a very sad comment on the state of the church, it's lack of evangelism. There is little to no enthusiam for it, as well as a lot of teachings that stifle the desire for it. Foremost may be the insistence by pastors and teachers who claim it is better to let one's life be an example, not their words -- that one must not approach the unsaved, but rather wait for the day when someone, out of the blue, asks of them the reason of the hope that's in them.
Such teachings have made the church extremely lazy and ill-prepared. In fact, the church, generally, has very poor knowledge of apologetics, as well as the willingness and ability to insert what it is the members do know.