if条件从句中若主句为现在/将来时态,从句需用现在时替代将来时,“will be”违反此规则。3. **选项C (is)**:正确。“is done”为一般现在时被动语态,符合“主句用现在时,条件从句用现在时”的规则,表示“作业一旦被完成即可出去”。4. **选项D (has been)**:语法正确但语境偏差。“has been done”为...
不是问为什么要用被动语态 是为什么用was和has been 答案 这句话的翻译是 如果它被仔细的考虑过的话 它将会被做的更好 was thought是因为它是被动语态 后一句是虚拟语气 表示与将来事实可能相反相关推荐 1If it was thought carefully,it will have been done better.为什么要用was thought和has been done?不...
will have been being done 就是它本来的意思。将、已、被、在、做，每一个单词严丝合缝的对着。wil...
没错，will have done 除了可以用作将来完成时外，也可以用作表示完成动作的推测。两者的区别是：如果...
1 will have done可能是将来完成时，表示在将来某个时间之前已经发生并结束的动作。也可能情态动词的推测...
had been done C. will do D. is done 相关知识点: 试题来源: 解析 D 本题考查动词时态和语态。句意:如果什么也不做,海洋将会逐渐消失。本句包含一个If引导的条件状语从句,主句用了一般将来时,从句应遵循“主将从现”的原则,用一般现在时表将来。根据句意可知,从句的主语nothing和do之间是逻辑上的动宾...
will be done D. does 相关知识点: 试题来源: 解析 A 【详解】考查动词时态语态和主谓一致。句意:如果不采取措施,海洋将变成鱼类沙漠。从句中主语与谓语动词构成被动关系,且主句为一般将来时,则条件状语从句中需用一般现在时表将来时,且主语为nothing,谓语动词应用第三人称单数is。故选A。 【点睛】if引导的条件...
- By the time you come back, I will have cleaned the house.(等你回来的时候,我会已经把房子打扫干净了。) - If you don't start studying now, you will regret it when you find out you haven't passed the exam. By the time you realize it, it will be too late.(如果你现在不开始学习...
sb. will not / won't have done sth. 如: She will not have finished the program by next Saturday. 其疑问句只要把will提到主语前面即可,如: - Will she have finished the program by next Saturday? - Yes, she will. - No, she won't. ...
4）“it will have been being done”= 将来完成进行时体的被动语态/ 被动（语态）式的将来完成进行...