This infographic provides a pictorial explanation of essential English grammar concepts including the uses of modal verbs like may, can, must, and should. It outlines how may is used to request permission or indicate politeness, might indicates lower possibility than may, can is used for requests, abilities, and possibilities, must denotes obligations or high probabilities, and should is used for suggestions or advice. The infographic references an English grammar usage book as its source.

1. English Grammar Usage Infographic
Reference: Murrphy, R. (1992) Essential English Grammar, Cambridge University Press.
A pictorial explanation of Essential English Grammar.
Abdul Rafay Yusuf

2. MAY
PERMISSION
You may drink water in class
Use instead of: allowed to
POLITENESS
May I ask you a question?
?
POSSIBILITY
I might/may do that later
Note: might use in less possibility

3. CANREQUEST
Can you call me back
POSSIBILITY
We can win this tournament
ABBILITY
I can ride a horse
PERMISION
Can I borrow your pencil
Note: use informally

4. MUST
OBLIGATION
You must respect your parent
Use instead of: have to
PROBABILITY
She doesn’t stop watching T.V.
that show must be fascinating

5. SHOULD PROPOSEL/SUGGESTION
You should play with us?
ADVISE
You should be prepared for exams