几个英语方面的问题i need to buy a pair of shoes.为什么要用to,不加怎么不行?we wil

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/08/27 20:19:22

几个英语方面的问题
i need to buy a pair of shoes.为什么要用to,不加怎么不行?
we will have a test next Monday morning.为什么next前不用加on?还有很多这类句子,时间前都不用加介词的,这是为什么?
maybe it will get warmer soon.warmer为什么要加er?我只知道进行比较时才在形容词后加er,可这个.
尽量详细一点

1.need在这里是行为动词,表示需要,如果不加to就是情态动词了,但是它做
情态动词的时候是不可能用在肯定句中的.
2.这里其实ON加或不加是一样的.可以省略.
3.你的理解是正确的,只不过,它句尾有soon,隐含的就是和现在的情况作比
较.（因为现在的情况是他作出猜测的依据,通过比较,才能猜测,那说明
现在也是warm的.可能不久之后气候会更温暖.）

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