如果您想表达“认为某人是”的意思,可以使用以下表达方式:

Think that someone is

例如:

I think that she is intelpgent. (我认为她很聪明。)
They think that he is the best candidate for the job. (他们认为他是这份工作的最佳人选。)
Consider someone to be

例如:

I consider him to be a good friend. (我认为他是一个好朋友。)
Many people consider her to be the best singer in the world. (许多人认为她是世界上最好的歌手。)

这两种表达方式都可以用来表示对某人的评价或看法,其中"think that"是动词,而"consider"是动词的过去分词形式,两者都可以用来表示“认为”的意思。