could

modal verb
A1
1
A1
used as the past tense of ‘can’
می‌توانست, قادر بود
2
A1
used to ask if you can do something
آیا می‌توانم
Could I use your phone, please?
Could we stop by next week?
3
A1
used to politely ask somebody to do something for you
می‌توانید, آیا ممکن است
Could you babysit for us on Friday?
4
B1
used to show that something is or might be possible
توانستن, امکان داشتن, احتمال دارد
I could do it now, if you like.
Don't worry—they could have just forgotten to call.
You couldn't have left it on the bus, could you?
‘Have some more cake.’ ‘Oh, I couldn't, thank you .’
5
B1
used to suggest something
ممکن است
We could write a letter to the director.
You could always try his home number.
6
used to show that you are annoyed that somebody did not do something
می‌تونستی, می‌توانستی که
They could have let me know they were going to be late!
7
used to emphasize how strongly you want to express your feelings
می‌توانستم
I'm so fed up I could scream!