"Sestry nemám."

Translation: I do not have sisters.

[Tiff382466]

Whatever the technicalities are both "I have no sisters" and "I do not have sisters" have identical meanings in English

[VladaFu]

I have checked other similar sentences. I have not found any where this form would be accepted. We observe the difference BoneheadBass mentions. That may change in the future.

There are many occasions in this course where the syntactical structure is important, not just the meaning.