A and B后接 is or are?The blackboard and chalk is being replaced by the computer and the projector 还是 are being replaced by the computer and the projector .我记得 主谓一致原则,应该是用复数才对啊.为什么我做题目的时候

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AandB后接isorare?Theblackboardandchalkisbeingreplacedbythecomputerandtheprojector还是arebeingreplacedbyt

A and B后接 is or are?The blackboard and chalk is being replaced by the computer and the projector 还是 are being replaced by the computer and the projector .我记得 主谓一致原则,应该是用复数才对啊.为什么我做题目的时候
A and B后接 is or are?
The blackboard and chalk is being replaced by the computer and the projector 还是
are being replaced by the computer and the projector .我记得 主谓一致原则,应该是用复数才对啊.为什么我做题目的时候答案给的事 is 而不是are

A and B后接 is or are?The blackboard and chalk is being replaced by the computer and the projector 还是 are being replaced by the computer and the projector .我记得 主谓一致原则,应该是用复数才对啊.为什么我做题目的时候
这涉及到一个很重要的语法知识点：当句子的主语为下面一种模式：the 名词1 and the 名词2,主语是两个人,所以,谓语动词用复数形式;而当句子主语为;the名词1 and 名词2,主语其实指的是一个人《身兼两职》,这时,谓语动词则用单数形式了…
有不懂的还可以再问我

这个要看具体情况具体分析，这里的黑板和粉笔被当成一套教学用具，当然要用单数了，

The blackboard and chalk is being replaced by the computer and the projector
肯定是单数
是两句话
The blackboard is being replaced by the computer and the projector
The chalk is being replaced by the computer and the projector

还有一个原则叫就近选择，想起来没？具体的我也不太记得，是看be 动词前面那个名词是单数还是复数。
希望能帮到你！

the blackboard and chalk 在这里表示黑板粉笔教学模式。，所以用单数。 他们是一个整体。

这里The blackboard and chalk 被当做整体看待了 所以动词用单数
如 早餐吃 hams and eggs 谓语动词也要用单数 被当成整体看待的
希望可以帮到你 谢谢：）

如果主语是两个be动词is还是are比如A and B is or are Mr and Mrs Green ___my___ A is parent B are parents A or B注明解释 Eating,drinking______smoking_____not allowed in the reading room.A.and,is B.and,are C.or,do D.or,be Are you free ______ busy this weekend?A.and B.or C.is A or B 用is还是and A and B后接 is or are?The blackboard and chalk is being replaced by the computer and the projector 还是 are being replaced by the computer and the projector .我记得 主谓一致原则,应该是用复数才对啊.为什么我做题目的时候 ___ Jim's trousers red ___ yellow?A.Are,or B.Is,and C.Are ,not D.Are ,and 选择并语法说明 If A and B are independent events where P(A)=0.8,and P(B)=0.5,then P(A or B) is 急 Amy ____ Alice are twin.A.or B.and C./ what is Dad and Peter doing?是否正确what 后应该用 is or are? more than 70 percent of Japan's working farmers() aged 60 or older,and nearly half () over 70A.are ,is B.are ,are 【英语考试】 ______ you or he the teacher of English? A. Are, B. Is说明为什么?还有and在疑问句里是变or吗?参考资料给下 They are eating hmburgers ____ hot dogs _____ drinking coffee ____ col and;a.A or;or;or B and;and;and C or;and;or D and;or;and选哪个?理由? two and two is fouris or are? either you or Tom后接is 还是are那either Tom or you 后接IS还是are 选择正确答案 1.Is the room big __ small?a.and b.or c.and or Is your friend a boy ________a girlA or b and where someone is born and what a person looks like ----not as important as what he or she grows up to be.A.is B.are