متى استخدم did -didn't-do-don't-does-doesn't '

فى الماضي
did
ويستخدم مع جميع الضمائر i,he,she,it,we,they,you

i did my work yesterday.we did our work yesterday

والنفى didn't
she didn't do her work, we didn't do our work
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فى المضارع
فى حالتين
doويستخدم مع الضمائر
i,we,you,they:

i do my work,you do your work
والنفى don't
i don't do my work, you don't do your work
_____________________________________
doesيستخدمhe,she it
he does his work
والنفي doesn't
he doesn't do his work
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يارب يكون واضح الشرح ..