Model Verbs definition and explaination

 

Model verbs

How is model verb different than normal verbs?

1.  No inflection - Modal verbs don’t have inflection, which means that you do not add any suffixes to the modal verb. That means no “-s” or “-es”.

1. Defective use - You cannot use modal verbs as participles or infinitives.
2. Auxiliary use - You can only use modal verbs as auxiliary verbs, in order to modify the meaning of the main verb.

 

    What are the functions of model verbs?

Model verbs show:

·    Permission

s  Suggestion

    Advice

    Recommendation

    Necessity 

    Obligation etc.

List of model verbs

Can, could, may, might, should, must, ought, need to, shall, will.

In this lesson we will study CAN and COULD.

Can is used to show ABILITY.

·       I can drive a truck.

·       I can speak English.

Can is also used to show permission:

·       You can leave now.

·       You can call me any time.

Can is used to seek permission (Less formal though)

Can I sit next to you?

Can I leave now?

Where to use Could

For formal requests:

Could you hand me over the paper?

Could you please hold on?

As a past tense of Can (which shows ability or inability)

I could not wait as I was in a hurry.

Present Conditional possibility

You could win the match if you select the right team.

Usages of Could have

For Past conditional possibilities

He could have survived the attack if he wasn’t away from the hospital.