"你买了火车票吗？"

Translation: Have you bought the train ticket?

[Oranjj]

I think "Have you bought train tickets yet?" should work as well.

[KhiemPokem]

Lol

[JoeT40]

Have you bought your train ticket yet? This should work as well.

[hannahli27]

Why is "你买火车票了吗“ wrong?

[8ITb6]

the pronunciation of 了 is incorrect here right ? they say "liao".

[Olo646587]

Did you bought a train ticket? OR Did you bought train tickets? Should this be correct too?

[Milosh763575]

When you use DID the verb after must be in INFINITIVE So did you buy the train ticket?

[bogvin]

Yes to YET !