The first thing I want to do is have a good rest.这句话对吗?is后面加动词原形?是因为前面有to do吗?

the first thing 英语疑问,the first thing I do,etc是take a shower is the first thing I do 还是taking a shower is the first thing I do 还有,Anna and Mike are the ----(Green) children You're the first thing I thought of every morning,the last thing that stays on my mind every night I think that the first thing 跟to do 还是 being done?I think that the first thing ______ is to relax yourself in the mornig when i rise you are the first thing on my mind. 填空：The most m_____ thing is when I went to school for the first time. The first thing I have to do is(to learn ,learning)English I have never forget the first thing ____ you taught me 用the first thing is造句 the whole thing first 怎么翻 first thing The most important thing ___ we should pay attention to is the first thing ___ i have said填which 或that the first thing i saw____to the art gallery...the first thing i saw____to the art gallery...a.on my arrival b.on entering c.at the entrance d.having arrived其他选项为什么不可以还有 the first thing i saw____to the gallery...中的to 句法结构the first thing I saw when i entered the art gallery was a notice which said;do not touch.这里的was是什么作用啊,which可以去掉吗?the first thing 是状语吗 新概念3英语题the first thing i saw____to the art gallerythe first thing i saw____to the art gallerya.on my arrival b.on entering c.at the entrance d,having arrived其他选项为什么不可以 请详解还有the first thing i saw____to the art the first thing is像这种句子后加什么形式?属于什么从句?我是说 the first thing is to do还是doing？为什么？I found it difficult______(remember)now.为什么不是I found it is difficult…… the first thing i want to do is____A visit to him Bto visit him Cto visiting him Cvisited him 这句话有错误吗when i reading this article,the first thing come into my mind is shit.