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We have mathematics today. I have a sister. My friends has English books. They had friends in Moscow.
We have mathematics today. Have we mathematics today? We haven"t mathematics today. I have a sister. Have I a sister? I haven"t a sister. My friends has English books. Has my friends English books? My friends hasn"t English books. They had friends in Moscow. Did they have friends in Moscow?They did"t have friends in Moscow.