否定句：I don't think watching English movies is helpful.(注意否定的转移，即对宾语从句进行否定，否定词放在主句部分） 反义疑问句：I think watching English movies is helpful， isn't it？（主语是第一人称的宾语从句的反义疑问句，其疑问部分根据从句里的内容而定。当然得注意否定转移的情况。如：I...
否定句：I don't think watching English movies is helpful.否定转移，即对宾语从句进行否定，否定词放在主句部分） 反义疑问句：I think watching English movies is helpful， isn't it？ 或：I don't think watching English movies is helpful，is it？）
