No energy can be created, and none destroyed.能量既不能被创造，也不能被毁灭。
Neither plan is practicable.两个方案都不能实行。
The woman did not come here to ask us for help.这位女士来这里不是为了寻求我们帮助的。
Metals do not change their form as easily as plastic bodies do.金属不像塑料物体那样容易变形。
She did not come because she wanted to see me.她并非因为想见我才来。
You should not despise him because he is young.你不应该因为他年轻就轻视他。
出现think, believe, except, suppose, imagine, reckon, anticipate（预料）, figure等谓语动词的否定需要转移到后面的宾语从句中
I don't suppose they will object to my suggestion.我想他们不会反对我的建议。
I don't think that they must have arrived there by now.我认为他们现在一定还没有到达那里。
主句中的It is not + view, wish, belief, thought, opinion that结构，将否定转移到that后面的从句之中
It is not my opinion that he is the best man for the job.我认为他不是做这项工作的最佳人选。
It is not my wish that you should break your word.我希望你不要违背诺言。