副词不可以做主语，倒装句是将副词提到主语之前，将正常的陈述语序加以变化，主要作用是强调被提前的部分倒装句可分为全部倒装和部分倒装两种：全部倒装谓语动词提前至主语之前为全部倒装。

副词的用法例句

I always remember the day when I first came to this school.

我常常记得我第一次来学校的那一天。

You couldn't always help me.

你不能老是帮助我。

We usually go shopping once a week.

我们通常一周买一次东西。

The new students don't always go to dance.

新学生并不时常去跳舞。

疑问副词，连接副词，关系副词以及修饰整个句子的副词，通常放在句子或从句的前面。

When do you study everyday?

你每天什么时间学习?

Can you tell me how you did it?

你能告诉我你如何做的吗?

First, let me ask you some questions.

先让我来问几个问题。

How much does this bicycle cost?

这辆自行车多少钱？

The students were reading when the teacher came into the classroom.

当老师进教室时，学生们正在读书。

时间副词和地点副词在一个句中， 地点副词在前面，时间副词在后面。

We went shopping in the supermarket at 9 o'clock yesterday.

昨天九点钟我们到超市买东西了.

What were you doing in the classroom yesterday afternoon?

昨天下午你在教室里干什么？

The accident took place in the Eleven Avenue one hour ago.

这场事故在一小时前发生在十一号大街。

6)否定副词在句首，句子要部分倒装。

Never have I felt so excited!