Can you get it..try it

[conqueror]

Ahmed has sent me a message , so if I still have the message , it is prefered to say ahmed sent me a message (past) , and if I don't know that I've received it or no , I use the present continious , .. that what I think , like for example the difference between i lost my keys and I've lost my keys ... , am I mestaken ..?

[conqueror]

المشاركة الأصلية كتبت بواسطة conqueror

Ahmed has sent me a message , so if I still have the message , it is prefered to say ahmed sent me a message (past) , and if I don't know that I've received it or no , I use the present continious , .. that what I think , like for example the difference between i lost my keys and I've lost my keys ... , am I mestaken ..?

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[Mohamed]

المشاركة الأصلية كتبت بواسطة fridy8

there is not a mistake in this sentence
I think that is better to use the simple past....0
or Ahmed has just sent me a message..0

المشاركة الأصلية كتبت بواسطة conqueror

Ahmed has sent me a message , so if I still have the message , it is prefered to say ahmed sent me a message (past) , and if I don't know that I've received it or no , I use the present continious , .. that what I think , like for example the difference between i lost my keys and I've lost my keys ... , am I mestaken ..?

Peace be upon you brothers

We also use the Present Perfect Tense to talk about a past action that has the result in the present.
Imagine I have just checked my inbox and said: Ahmed has sent me a message. It is because I don't know yet when the message was sent. If I knew when, I would use The Simple Past because when using this latter we need to mention the specific time, or at least to have it in mind.
Allah bless you