This better be good请问这句是什么语法结构?

This better be good .中文意思. This better be good请问这句是什么语法结构? It's better be good It had better be good. This baby'd better be really good.句子结构不太明白.'d是WOULD吗? be good at this you better do this good.什么意思? To be good,better,best!老师教下吧! It is better to be beautiful than to be good,better to be good than to be uglyIt is better to be beautiful than to be good,But it is better to be good than to be you will be good还是you will be better This may be good for you,I also don't think so.Just want you to be better off without me,get well soon,happy baby,love you What is good can be better can be better 是被动语态吧,前面怎么是What is good.这句话综合起来该怎么样理解更好,网友请详解? Good Better good to know ,better to do ,best to be You'll be better soon _____ a good rest. Your work is P____ good,but it could be better 初二英语单选题,请讲解一下,选答案的原因1___habits you have,___you'll be.A.Good,healthy B.Better,healtheir C.The better healthy D.The better the healtheir2. This is too good to be