题目内容
7.Don't be unhappy if you ____ by others when you make mistakes.( )| A. | are laughed at | B. | are laughing at | C. | laugh at | D. | laughed at |
分析 当你犯错的时候如果别人嘲笑不要不开心.
解答 答案:A.表达的是客观事实用一般现在时,主语you是laugh at的承受者,故用一般现在时的被动语态be+过去分词,主语you,故are,故答案是A.
点评 被动语态由"助动词be+及物动词的过去分词"构成.被动语态的时态变化只改变be的形式,过去分词部分不变.疑问式和否定式的变化也如此.
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