How many pen do you have?为什么要加do?在什么情况下加do?

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How many pen do you have?为什么要加do?在什么情况下加do?
How many pen do you have?为什么要加do?在什么情况下加do?

How many pen do you have?为什么要加do?在什么情况下加do?
助动词,be动词,情态动词都可以做谓语动词,be动词和情态动词之外的动词做谓语时,

疑问句里的助动词

是助动词

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首先，pens 要加s 用复数
其次，用do是因为do是助动词，当这句话变成问句的时候就要加do
助动词协助主要动词完成以下功用，可以用来：　　
a. 表示时态，例如： He is singing. 他在唱歌。　　He was got married. 他已结婚。　　
b. 表示语态，例如： He was sent to England. 他被派往英国。　　
c. 构成疑问句，例如： Do you like college life? 你喜欢大学生活吗？　Did you study English before you came here? 你来这儿之前学过英语吗？　　
d. 与否定副词not合用，构成否定句，例如： I don't like him. 我不喜欢他。　　
e. 加强语气，例如：Do come to the party tomorrow evening. 明天晚上一定来参加晚会。　　He did know that. 他的确知道那件事。　　
最常用的助动词有：be, have, do, shall, will, should, would

收起

助动词

因为句子中没有像is,am,are这些词，反之没有就要加

当谓语

do是助动词

正确顺序应为do you have how many pen

中国人为何学英语

首先它的意思是：你有多少支钢笔，如果去去掉do意思也一样，那为什么要加do呢，其实do是用来助动的词

How many pen do you have 错在哪 How many pen do you have?为什么要加do?在什么情况下加do? _____ do you want for this pen?A.How many B.How much C.How long D.What how do you spell pen?同义词 how do you spell pen?怎么回答 How do you （s ）pen how do you spell pen?pen要加引号吗 how many ()do you have? How many fingers do you How many rulers do you how many oranges do you how many books do you HOW many do you wan How do you s____ pen?求正解How do you s____ pen?求正解 How often do you hear from youm your pen-friend How often do you hear from your pen friend? 上面那一道.how do you spell pen? “How do you spell pen?”的答句是什么?