3. Be, Have, and Do Auxiliary We were waiting for a bus. I have thought about it Does Tina need any help? Ordinary We were at the bus stop. I have a suggestion. Tina does all the work. AgungPrasetyo
7. Function in Certain Condition Necessity: must, have (got) to, need, needn't and mustn't. Obligation and advice: should, ought to etc. Permission: can, could, may, might and be allowed to. Certainty: will, must and can, should and ought to. Possibility: may, might, can and could. Ability: can, could and be able to. Unreal situations: would. Habits: (will, would) and used to. AgungPrasetyo