As long as 则没有这样直接的替换形式。使用 unless 时,主句和从句的时态要根据具体情况而定。比如 “He won't come unless you invite him. ” 这里主句和从句都是一般将来时。而在 “I didn't know the truth unless she told me. ” 中主句是一般过去时,从句也是一般过去时。As long as 也一样,...
Thatisverysensibleadvice.Mostpeoplewillcometonoharmaslongastheytakecare.Ishan'tletyourideyourbikeontheroadunlessyouwearahelmet.Ifyoufalloff,yourheadwillhitthegroundhard.Youmustprotectitagainstinjury.assoonas的常见用法 assoonas引导时间状语从句，意为“一……就……”。引导时间状语的连词包括when,while,until...
i, I'm Georgina from BBC Learning English. In today's lesson, we look at the difference between 'unless' and 'as long as'. Unless and 'as long as' can be used to replace 'if' in different situations. Let's have a look at some example sentences: I will go to the party if you...
unless和as soon as的常见用法unless和as soon asunless的常见用法unless引导条件状语从句,意为除非,如果不。unless ifnot。Youll fail in English unless you