Modal Verbs: might

Modal Verbs: might

Might with the indefinite infinitive is used to express possibility or uncertainty in the present or future.In the perfect infinitive form, might have is used to express possibility or uncertainty in the past  

Modal Verbs: may

Modal Verbs: may

May is used with the indefinite infinitive to express permission, possibility or probability in the present. It can also be used to make polite requests.  

Modal Verbs: could

Modal Verbs: could

Could can be used with the indefinite infinitive to express past actions. When using could in this way, it usually indicates ability or possibility in the past.

Modal Verbs: can

Modal Verbs: can

Can is a modal verb that can be used to indicate ability, permission, or possibility. Here's how it can be used in different tenses and forms: present, future, indefinite passive, indefinite infinitive