Maybe someone’s just told you that you’re going to have to wait three hours; surprised, you want to say in French don’t you think that’s a long time? Do you know how you might say this?
To begin, you should know how to say that’s a long time. In French, you just say the equivalent of that’s long — c’est long. Remember, long is pronounced as if it were written lon in French. It rhymes with mon, ton, son.
To ask don’t you think that…, use the verb trouver.
Here’s the answer to the question in the title (taken from a conversation):
Tu trouves pas ça long?
Don’t you think that’s a long time?
There’s no ne in there (tu ne trouves pas) because ne is omitted in spoken language.
C’est long can also be used where English says it’s taking a long time. For example, if you’re waiting for the bus to arrive and it’s taking a long time, you can say c’est long. In this scenario, the question tu trouves pas ça long? would mean don’t you think it’s taking a long time?