gotobedrightaway.Forgetyouneedtogetupasearlyasyoucantheearlytrain?A.cathchB.catchingC.caughtD.tocatch麻烦帮看一下,这道题为什么选D项,情态动词后面不是跟动词原形吗？

Question

go to bed right away.Forget you need to get up as early as you can____ the early train?
A.cathch B.catching C.caught D.to catch
麻烦帮看一下,这道题为什么选D项,
情态动词后面不是跟动词原形吗？

Answer 1

as early as you can在句中作状语
to引导后面的原因
表示“你需要尽量早起去赶首班车”
如果说can引导了某个动词,也只是前面的get up