should否定形式怎么写？

　　should

　　一、 词性及释义

　　（助动词）：(常用于纠正别人)应该；应当；(提出或征询建议)该；可以；(表示预期)应该会；可能等含义；

　　二、 双语例句

　　例句 1. It's very important to me that you should be there.

　　你应该到场，这对我很重要。

　　例句 2. The new trade agreement should facilitate more rapid economic growth.

　　新贸易协定应当会加快经济发展。

　　例句 3. The test should identify which smokers are most prone to develop lung cancer

　　这项检查应该可以确认哪些吸烟者更容易得肺癌。

　　例句 4. You should have seen her face when she found out!

　　你真该看看她发现事情真相时脸上的表情！

　　例句 5. By that time the new system should be up and running.

　　到那时这个新系统应该会运转起来了。

　　【shouldn't】

　　abbr. (=should not)

　　一、 释义

　　释义：不应该；不应当；不宜；不可以等含义；

　　二、 双语例句

　　例句 1. You shouldn't eat anything with your hands except bread, not even fruit.

　　你不应该用手来吃面包以外的任何东西，包括水果。

　　例句 2. I will warn him so that he shouldn't ( might not) reveal our secret plan.

　　我会告诫他，这样他就不会泄漏我们的秘密计划。

　　例句 3. It should not be forgotten that people used to get much more exercise.

　　不应忘记的是，人们过去的锻炼要多得多。

　　例句 4. Some private matters should not be talked about in public.

　　有些私事不宜在公开场合谈论。

　　例句 5. We should not totally damn a man's character for a few faults.

　　我们不应当抓住一点点毛病就把一个人说得一无是处。