It couldn‘t be simpler怎么解释?是属于否定词加比较级 等于最高级的用法吗?

it couldn't be used then It couldn't be better,you're the best.翻译 It couldn’t be better 为什么用过去式 It couldn't be worse 的汉语意思 it couldn't be any worse any为什么不是so couldn't be used then.It wasn't ( ) to use it.It couldn't be used then.It wasn't ( ) to use it.a)ableb)allowedc)impossibled)possible it couldn,t be better,but iknow,it wouldn,t be any You couldn't be more I think it may be I couldn’t immediately associate my knowledge with practice. It couldn't be any worse It couldn't be any better 如果把any去掉,句意是否会变It couldn't be any worse It couldn't be any better如果把any去掉,句意是否会变 求教!It couldn't be used then.It wasn't____to used itIt couldn't be used then.It wasn't____to used it为什么用possible,allowed为什么不行呢? couldn't be prouder怎么翻译 lt couldn't be any worse I couldn't be more sure. You couldn't be more relaxed是什么意思? I couldn’t have said it better. I Couldn't Help It 歌词 Seeing it ,he couldn't help___(shout)