In this plus level, learners will master ever increasingly difficult concepts, which will give them the ability to participate in transactions, conversations and discussions more precisely. For example, they learn how to use 'will' for volunteering and the modal 'can' for a future action. Examples of new or newly emphasized concepts are stating a contrast, stating thoughts/beliefs, inviting, stating possibilities, offering and refusing/accepting an offer. Finally, in this level, the concepts joined together in one sentence are increasing in number.