Can modal fe'li ham jismoniy, ham aqliy jihatdan qo'lidan kelmoq, qila olmoq ma'nosini anglatadi.
Can fe'lining o'tgan zamon shakli could.
Can kelasi zamonda ishlatilmaydi, unga ma'nodosh fe'l to be able to bo'lib, u uchta zamonda ishlatiladi.
Can va could fe'li hamrna shaxslar uchun bir xil shaklga ega.

I can swim well.
He can sing classic songs.
They can lift the table.
They could help you yesterday.