Modals of advice - 1

Introduction
These three verbs are modal verbs:

• should
• ought to
• had better

Modal verbs are auxiliary verbs that express ideas like ability, advice and obligation.
Many modal verbs have more than one meaning.
They are always followed by the simple form of a verb (infinitive). 

Example: Amanda should go to the doctor
(This shows that we think it is a good idea for Amanda to visit the doctor.)