Using transferred negation: I think that the witness didn't tell

Using transferred negation: I think that the witness didn't tell the truth.
【正确答案】：I don’t think that the witness told the truth.
【题目解析】：否定转移是指否定形式在谓语动词，而否定的信息焦点却在状语和表语，或否定形式在主句，而否定的信息焦点却在从句。这是英语的一种习惯思维方法，使句子更加委婉。