Present Tense:
* Ça avait l'air (formal) - This is the most common way to say "it looked" in the present tense. It literally translates to "it had the air of."
* Il avait l'air (masculine singular) - This is the more specific way to say "it looked" for a masculine singular noun.
* Elle avait l'air (feminine singular) - This is the more specific way to say "it looked" for a feminine singular noun.
* Ils avaient l'air (masculine plural) - This is the more specific way to say "it looked" for a masculine plural noun.
* Elles avaient l'air (feminine plural) - This is the more specific way to say "it looked" for a feminine plural noun.
Past Tense:
* Ça a semblé (formal) - This is the most common way to say "it looked" in the past tense. It literally translates to "it seemed."
* Il a semblé (masculine singular) - This is the more specific way to say "it looked" for a masculine singular noun.
* Elle a semblé (feminine singular) - This is the more specific way to say "it looked" for a feminine singular noun.
* Ils ont semblé (masculine plural) - This is the more specific way to say "it looked" for a masculine plural noun.
* Elles ont semblé (feminine plural) - This is the more specific way to say "it looked" for a feminine plural noun.
Other possible translations:
* Ça paraissait (formal) - This translates to "it appeared."
* Ça ressemblait à... (formal) - This translates to "it resembled..."
Example sentences:
* Ça avait l'air délicieux. (It looked delicious.)
* Le château a semblé très vieux. (The castle looked very old.)
* Elle avait l'air heureuse. (She looked happy.)
* Les enfants ont semblé fatigués. (The children looked tired.)
Remember to choose the correct conjugation based on the subject and tense of your sentence.