whydonotyou…一般不用,而用whydoyounot…
whydoyounot…,=Whynotdosth?用来建议对方做某事.例如:
Whynotgotovisityourparentsonweekend?=Whydon'tgotovisityourparentsonweekend?
(含义为:You'dbettergotovisityourparentsonweekend.)
whyaren'tyouableto…=whyareyounotableto…
以上情形说明否定问句要么不要分开,要么完全分开.
相信你能理解赞同吧!