May and could in one sentence.

[JustAlilBit]

That sentence which is below is he look well?
May somebody could tell me what's the difference between them?

[5jj]

JustAlilBit, we know from other posts that you can produce reasonable sentences in English when you set your mind to it. If you want us to spend time on your questions, then please try harder to formulate them correctly.

That sentence which is below is he look well?
Does the sentence below appear natural?
Is the sentence below correct?

May somebody could tell me what's the difference between them?

It is completely wrong. In standard varieties of English, we cannot use two modal verbs together. Possibilities for your sentence include:

Perhaps somebody could tell me what the difference between them is.
Could somebody tell me what the difference between them is?

[JustAlilBit]

JustAlilBit, we know from other posts that you can produce reasonable sentences in English when you set your mind to it. If you want us to spend time on your questions, then please try harder to formulate them correctly. It is completely wrong. In standard varieties of English, we cannot use two modal verbs together. Possibilities for your sentence include:

Perhaps somebody could tell me what the difference between them is.
Could somebody tell me what the difference between them is?

5jj Thanks for note. I can everything as you, but sometimes I confuse because when I write something in English language I think in my language it's Lithuanian and when I translate someting in English language then sometimes I talk nonsense :)
I need more practise practise and practise. I can give you parole that everyday I try to be better than I was yesterday. I know that I have created here a lot of threads, because I want to write, talk in English cause I love this language :) I hope that this time I didn't talk nonsense.I know that this website native speakers has got a lot of job so I will try do not create more threads very often.