What do you say in Japanese when you want to propose or marry?

Kekkon shite-kudasai. (Will you marry me?)

Watashi to Kekkon shite-kudasai. (Please marry me)

Kekkon suru? (Do you want to marry me?)

Kekkon shite! (Marry me!)

Istumo Issho-ni itai. (I want to be with you all the time)