“Can” is used to express ability, willingness, permission, or possibility. The
negative of can is “cannot” or the contraction “can’t”.
Example: I can cook dinner.
In this example “can” expresses the ability to cook dinner.
Example: Can you pass me the ketchup?
In this example “Can” expresses the willingness pass me the ketchup.
Example: Can I use your pencil?
In this example “Can” expresses the permission to use your pencil.
Example: Intense light can hurt your eyes.
In this example “can” expresses the possibility of intense light to hurt your eyes.
Directions: Say how “can” is used in each sentence. Circle “A” if it is used to express ability, “W” if it is used to express willingness, “Per” if it is used to express permission and “Pos” if it is used to express possibility.
1) I can tie my shoes. A W Per Pos
2) Can I have a piece of gum? A W Per Pos
3) If you ride a motorcycle, you can fall. A W Per Pos
4) Can you get me a drink of water? A W Per Pos
5) I can speak English well. A W Per Pos
Read the sentences. Write should or shouldn´t
1)If it´s rainy you take an umbrella.
2)Tom eat so many lollipops. It´s bad for his teeth.
3) a) I drink hot tea if I have a sore throat?
b) Yes, you .
4) They have a test tomorrow. They go to the cinema . They stay at home and study!
5) Children eat lots of vegetables but they eat lots of sweets.
6) I have a party tonight. What I wear? A dress or a pair of trousers?
7) The doctor said: "_ You eat healthy food. You eat fast food. You watch so much
TV. You walk 1 hour a day. You drink fruit juice and water. You drink wine or beer
Look at the pictures . Make sentences giving advice to these people . Use should.
He has a so 
He has a so 
He has a so 
He has a so 
He has a so 
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