Here are the translations of those Spanish phrases into English:
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¿Están cansada? - "Are (you, plural) tired?" (Note: "cansada" is feminine, so this form would typically be used when referring to a group of females.)
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Estoy cansado. - "I am tired." (Note: "cansado" is masculine, so this would be used by a male speaker. A female speaker would say "cansada.")
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¿Estás cansada? - "Are you tired?" (Note: "cansada" is feminine, so this is addressed to a female.)
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¿Estáis cansado? - "Are (you, plural) tired?" (Note: "cansado" is masculine, which is unusual because it would typically be addressed to a group of males or a mixed-gender group. The feminine form would be "cansadas" for a group of females.)
If you need more context or explanations, feel free to ask!