come over: Why don't you come over?Nechceš se stavit ke mně?
must: Why must you do everything so slow.Proč musíš dělat všechno tak pomalu.
that: You wanted to talk to me. Why was that?Chtěl jsi se mnou mluvit. O čem?
this: You think that ... Why is this?Ty si myslíš, že ... Proč?