How to use Will and Be going to in English Using Will “Will” is used to make prediction. There is no evidence. It is just our personal opinion. Examples Maybe he willcome again. (It is just prediction.) Maybe he willcome again. (It is just prediction.) “Will” is used forunplanned actions in future. Examples I willfly to Spain. (I don’t have a flight ticket or reservation.) She will be a doctor. (She is not a university students but she wants to be a doctor in future) Using Be Going To “Be Going To” is used to make predicition. If there is an evidence, it is preferred instead of