i-Studovna

MODAL VERBS

 

Modal verb is a type of auxiliary verb that is used to indicate modality.

 

  1. Definition
  2. Rules of modals
  3. Word order
  4. Can / could

 

 

1. DEFINITION

  

- modals are special verbs which are irregular

- something is certain, probable or pissible

- ability, asking permission, making requests and offers, etc.

 

Modal verbs:
can / could
may / might
shall / should
must / ought to
will / would

 

 

2. RULES OF MODALS

 

1. don't use an -s for the 3rd person singular

He may come.

 

2. use "not" to make modal verbs negative

They might not come.

 

3. make question by inversion

She can swim well.

Can she swim well?

 

 

3. WORD ORDER

 

1. positive
We should stay at home.
subject + modal verb + main verb
2. negative
Susan could not come.
subject + modal verb + not + main verb
3. question
Could I bring my dog?
modal verb + subject + main verb

  

 

4. CAN / COULD

 

1. can / can't

- ability, something is possible or impossible

- for request, to offer

 

We can go now.

He can't speak German.

Can you help me?