I think the yellow monkey is 150cm tall.的否定句是怎样的

问题描述:

I think the yellow monkey is 150cm tall.的否定句是怎样的
为什么不是在be系动词后面加not

I don't think the yellow monkey is 150cm tall.当主句谓语动词是think,suppose,believe,guess和imagine等时,后面的宾语从句要表示否定意义时,通常将not提到主句的位置上.例如:I think his proposal is valuable.→...