（These three) pieces of luggage is yours.用is对吗?还是用are.为什么?并且

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/12 07:06:48

（These three) pieces of luggage is yours.用is对吗?还是用are.为什么?并且就画括号的提问
luggage不可数 ,再多也还是单数 is
which pieces of luggage is yours?
回答者：CICI010203 - 经理五级 2009-7-5 15:06
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(1)用are,因为对待不可数名词的单复数形式应看它的量词,如果量词为复数,则谓语动词用复数.反之,则相反.而此句中的量词是pieces,是复数,所以谓语动词应用复数are.(2)luggage不可数 ,再多也还是单数 is
which pieces of luggage is yours?以上谁说的对.用how many提问对吗?

用are,这是英语语法.不可用how many,how many 意思是问有多少件.而句中有these一词,表示指定的,所以用how many 不对,应用which,表示哪件,而答句是这三件,符合语境

（These three) pieces of luggage is yours.用is对吗?还是用are.为什么?并且 I lost a set of keys.然后是用 Is this yours?还是Are these yours? there are three pieces of paper 对还是there is three pieces of There --------- three pieces of meat .到底填 is 还是are two pieces of cake 用 is 还是 are how much is/are two pieces of bread用is还是are 首字母填写 which p.of luggage is yours? two pieces of bread ,后的be动词要用is还是are? Here is （）?Are these yours.A.a set of three tons of coal后面用is 还是are （Is） the set of keys yours?为什么用Is 不用Are? two pieces of meat 后加is还是are?