在否定句中，使用 "I don't think" 构造，例如："I don't think that's right." 或 "I don't think he liked it." 其否定结构不可改为 "I think that isn't right." 或 "I think he didn't like it." 宾语从句的否定转移规则：当主句的主语为第一人称且使用一般现在时态时，可实现否定转移。如果主语非第一人称，否定不转移，与 "believe, consider, suppose, imagine, expect" 等词用法相似。

在以下几种情况下，否定词不转移（不前置）：第一，当主句为疑问句时，否定词不转移。例如："Do you believe he won't help us？" 第二，当主句的主语非 "I" 时，否定词不转移。例如："They think you aren't a student．" 第三，当从句包含 "no, hardly, never, nothing, nobody, little, few 或 not a little, not at all, not a few, can't help doing" 等否定词或词组时，否定词不转移。例如："I think that there is little time left．" 或 "He thinks there is nothing wrong with his leg．" 第四，在 "think, believe, suppose, expect" 等动词前有副词修饰或有强调词 "do, does, did" 时，否定词不转移。例如："We do believe she isn't our teacher．" 或 "I really think he isn't a good driver．"

针对宾语从句否定前置及反意疑问句的使用，当句式包含 "I think （believe, suppose ...）that ..." 结构时，反意疑问句的肯定或否定形式取决于主句，反意疑问部分的主谓形式需与从句的主语、谓语保持一致。例如："I don't think he will come，will he？" 或 "I don't think he got up very early that morning，did he？"

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