Can, Cannot - Should, Should not
ICSE · Class 3 · Essentials of English Grammar and Composition
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What does 'can' mean?
Answer
'Can' means someone or something has the ability to do something. It shows that something is possible. Example: A bird can fly.
What does 'cannot' mean?
Answer
'Cannot' (or 'can't') means someone or something does not have the ability to do something. It shows that something is not possible. Example: A fish cannot walk.
Give a sentence using 'can' about a dog.
Answer
A dog can run fast and wag its tail. Explanation: Dogs are able to run and show happiness, so we use 'can'.
Why can't an aeroplane sail on the sea?
Answer
An aeroplane is made to fly in the air, not to float or move on water like a ship. So, it cannot sail on the sea. We say: 'An aeroplane cannot sail on the sea.'…
What does 'should' mean?
Answer
'Should' is used to give advice or say what is the right thing to do. Example: You should brush your teeth every day.
What does 'should not' mean?
Answer
'Should not' (or 'shouldn't') means it is not a good idea to do something. It gives negative advice. Example: You should not eat too much sugar.
When do we use 'can' in a sentence?
Answer
We use 'can' to talk about ability, permission, or possibility. Examples: - Ability: I can swim. - Permission: Can I go out to play? - Possibility: It can rain today.
Fill in the blank: A rabbit ______ hop, but a tortoise ______ hop.
Answer
A rabbit **can** hop, but a tortoise **cannot** hop. Explanation: Rabbits are good at hopping, but tortoises are slow and cannot hop.
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