擅长:语法理论,语言学,文化背景
句子加 is 没有语法错误。其实,有没有 is 是believe 两种用法(句型)的体现。
He believes it true that purpose is what
creates happiness.
He believes it is true that purpose is what
creates happiness.
第一句结构:believe
+ 宾语 + adj.(宾补)
具体说,it 是形式宾语,true 是宾补,that purpose is what creates
happiness是真正宾语。
第二句结构:believe
+ (that) 从句
具体说,it 是形式主语,is true 是系表,that purpose is what creates
happiness是真正主语。引导宾语从句的that
被省略。加上就更清楚:
He believes that it is true that purpose
is what creates happiness.
除了believe 之外,英语中还有这几个常用动词find, think, consider, feel,跟believe 有着同样的用法或句型。举例如下:
We thought it (was) necessary that the two
sides should stop arguing. 我们认为,双方停止争论是必要的。
I consider it (is) best that you should
stay here. 我认为你最好住这儿。
Under the circumstances I feel it (is) right
that you should know this matter. 在这种情况下,我觉得你知道此事是对的。
I found it (was) strange that she had not
come yet. 她竟然没来,我发现奇怪。
I think it (is) important that we should
keep calm. 我认为我们保持冷静是很重要的。
除了使用that 从句外,还可以是动词不定式。例如:
We found it (was) quite pleasant to work
with him. 我们发现跟他一块工作很愉快。
I felt it (was) hard to communicate with
them. 我感觉难以跟他们交流。
He considers it (is) quite foolish to do
like that. 他认为那样做很愚蠢。
I think it (is) difficult to do the job
well. 我认为做好这件事不容易。
We believe it (is) useless to read without
understanding. 我们认为,不理解的情况下阅读是没用的。