listen for answers. if you do not get answers, make them up. after a while, something will begin to flow. you can have quite specific conversations with your guides, but it is easier to begin with more general questions. it is a good idea to have a tape recorder or a pad of paper handy to record your answers so you can review them later.
this is just one technique for getting in touch with your spirit guides; there are many others as well. your guides always hear you, so you do not have to be concerned about that. you may not hear their answers back directly but they answer you 