"No tiene un gato" is a correct sentence. But it needs context as it can be translated 3 ways. Here are the ways with their identifying pronouns:
Él no tiene un gato. - He does not have a cat.
Ella no tiene un gato. - She does not have a cat.
Usted no tiene un gato. - You [formal] do not have a cat.
It means do you have or does it contain.
"Me gusta gato hombre" translates to "I like cat man" in English.
Tiene
"Gato" is a Spanish and Portuguese word for Cat.The cat
Means "My cat has the biggest balls" PELOTUDO DE MIERDA xD
"tiene siete dias" means "has seven days"
"Que tiene" in Spanish translated to "what he/she/it has/you have" "Tiene" is the he/she/it/you(formal) conjugation of the Spanish verb "tener" which means "to have", therefore "tiene" means "he, she or it has/you have" "Que" can either mean "what" or "that" "Que tiene?" as a question means "What does he/she/it/you have?" "....que tiene" in the middle of a sentence usually means "that/which he/she/it has/you have". 'tener que' = 'to be obliged/have to' 'que tiene que' = 'which/who is/are obliged//has/have to'
Each has.
In a statement" Has a/an In a question Do you have a/an
Tiene / tienen / tienes / tenéis
it has push
"No tiene" in English means "he/she/it doesn't have" or "you (formal) don't have."