Whether Which one is correct? I have heard both options. 1) a) She has to decide whether to stay or quit b) She has to decide whether to stay or TO quit 2) a) I don´t know whether to cry or laught b) I don´t know whether to cry or TO laugh 3) a) I don´t know whether to continue with camera 2 or change to camera 1 b) I don´t know whether to continue with camera 2 or TO change to camera 1 Many thanks :)