Level: beginner

We use can and can't to talk about someone's skill or general abilities:

She can speak several languages.
He can swim like a fish.
They can't dance very well.

We use can and can't to talk about the ability to do something at a specific time in the present or future:

I can see you.
Help! I can't breathe.

We use could and couldn't to talk about the past:

She could speak several languages.
I couldn't see you.

Ability: can and could 1

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Ability: can and could 2

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Level: intermediate

We use could have to say that someone had the ability or opportunity to do something, but did not do it:

She could have learned Swahili, but she didn't want to.
I could have danced all night. [but I didn’t]

Ability: could have 1

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Ability: could have 2

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Comments

i was waitting for this examples.....by the way ..i ador UK  really really ..i hope to visit it one day

i hope onec day u will go to the UK and enjoy your life by there culcure

Hi, It's all are useful!

Thank you!

I studied enough but I'm really confused when I make a sentence to say.
I'm not sure when  I use should or have to or must.
So I want to know difference. Please help me.
For example,                                                                                                                 
1. We have to meet at 6 o'clock at the station.                                                          
2. You should get up early than before.                                
3.  I'll have to look at my phone(Series 01 Episode 06)

excellent bhia ...!!

I liked this article very much. I's  very helpfull.

So, if I said:"You must see Serbia, it is beautipful countre!", I am not mam in your head, but I am very polite...
 

Hi,
I don't understand something. If I say "you must come to see me", is this sentence more polite invitation than "would you like to see me".
Thank you
 
 

Hi Harmonious
in the sentence "you must come and see me" (better than "you must come to see me"), the modal must is used for emphatic invitations or strong advice (the sentence means: I'll be really happy if you come and see me"). For example: you must read this book / see this film, and so on (the book is very interesting, the film is really fun).
I think the sentence "would you like to see me" does not make much sense.
You could say: would you like to play with me?, would you like to dance with me?, and so on. You use would like + infinitive as a polite way of saying "want" (I want to invite you...).
Hope this helps you.
Walt Whitman

I badly need your help.
When talking about school rules is it better to use MUST or HAVE TO?
For example: Students must wear uniforms. / Students have to wear uniforms.
Students must do their homework. / Students have to do their homework.
Students must be on time. / Students have to be on time.
And what about speaking in the first person?
Is it better to say: I must be on time (at school), or I have to be on time (at school)?
Help me, please.
Thanks a lot.

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