I'll show you a picture and you'll tell me what you see (double future)

Hello.

Today I thought to show my students a series of pictures and ask them what the pictures are about.

So I thought of the following sentence: I'll show you a picture and you'll tell me what you see.

But then I remembered a double future is not possible in English.

So I've done a search in Google and got these examples:

1) Now I'll show you a picture and you'll say the name of the object.

2) I'll show you a picture and you'll have to guess which [...] game it is.

3) I'll show you a picture, and you must guess the name of the character.

4) I'll show you a picture and you tell me whether it is a good or a service.

5) I'll show you a picture and you tell me what you see.

6) I'm going to show you a picture and you'll tell me what it is about.

I worked out the last one, actually.

Could you please tell me which numbers are correct and acceptable?

Thank you

P.S. I expect the double future issue doesn't include coordinate clauses...