英语否定句have/has+not.为什么在后面加过去式动词..It rained very hard last night.(so hard for six months)It hasn't rained so hard for six months.He flew his plane in bad weather.(never...such bad weather before)He has never flown his

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 02:16:31
英语否定句have/has+not.为什么在后面加过去式动词..It rained very hard last night.(so hard for six months)It hasn't rained so hard for six months.He flew his plane in bad weather.(never...such bad weather before)He has never flown his

英语否定句have/has+not.为什么在后面加过去式动词..It rained very hard last night.(so hard for six months)It hasn't rained so hard for six months.He flew his plane in bad weather.(never...such bad weather before)He has never flown his
英语否定句have/has+not.为什么在后面加过去式动词..
It rained very hard last night.(so hard for six months)
It hasn't rained so hard for six months.
He flew his plane in bad weather.(never...such bad weather before)
He has never flown his plane in such bad weather before.
不是否定句加原型动词的吗?..

英语否定句have/has+not.为什么在后面加过去式动词..It rained very hard last night.(so hard for six months)It hasn't rained so hard for six months.He flew his plane in bad weather.(never...such bad weather before)He has never flown his
括号里面的短语表示时间段,意思是这么长时间以来.
所以要用现在完成时,表示已经,如第一题：要改为符合括号内的条件,意思就变成六个月以来很久都没下过（注意“过”这个字）这么大的雨了.现在完成时的结构就是have +动词的过去分词,表示“已经”,或者“曾经”.
第二句话就是要你按照括号里面“从没有在如此恶劣的天气下.过（注意这个“过”字）”的条件来改句子,完成时之前提过,表示 “曾经”,所以才会用have+flown(fly的过去分词）来表示.
对于现在完成时的含义你要是还不懂的话,多看一下它的例句,相信你可以看得懂的.

只解释一个吧。昨晚下了很大的雨。后一句是已经六个月没下这么大的雨了。后一句是从过去某个时间（此处指六月前）到过去（也许是昨晚，也可以是六月前后的某天）一直持续的动作，所以要用过去完成时，又因为其是否定涵义，所以用hasn't rained...

全部展开

只解释一个吧。昨晚下了很大的雨。后一句是已经六个月没下这么大的雨了。后一句是从过去某个时间（此处指六月前）到过去（也许是昨晚，也可以是六月前后的某天）一直持续的动作，所以要用过去完成时，又因为其是否定涵义，所以用hasn't rained

收起

不一定例如I want to eat an apple 加动原是因为want to do sth

现在完成时：have+done
这种时态表示之前的对现在的影响，一般跟一段时间。

否定句不一定加原型。再说了，第二个句子还是过去式。O(∩_∩)O~

The boy has a pen.(改为否定句） 为什么是does not have,而不是hasn't? 什么是《现在完成时》的否定句是“主语+have/has+not+过去分词+其他”还是“主语+have/has+not 句子have/has ‘有’,变否定句在have/has后加not,变疑问句时将have/has提前.请问能加助动词do/does吗? have,has英语造句,一般疑问句,肯定句,否定句 急! have/has to 的否定在句中的用法NOT应该放在什么位置请举例 【英语】 My uncle has a son【变成否定句】像这样have或者has的怎样变? 写出英语、HAVE/HAS GOT一般疑问句、HAVE/HAS GOT 否定句、HAVE/HAS GOT特殊疑问句20 - 离问题结束还有 14 天 23 小时 写出英语、HAVE/HAS GOT一般疑问句、HAVE/HAS GOT 否定句、HAVE/HAS GOT特殊疑问句1.我们有 用has,have造句子,陈述句,一般疑问句,否定句 Have/Has否定句的形式 一般疑问句的形式 英语 改否定句Emma has a study.否定句：是用“doesn't have”还是“hasn't”它们的区别在哪? JOHN HAS NERE BEEN TO SPACE MUSEUM.I HAVE NOT,EITHER (合为一句） 英语在线变否定句为疑问句句子Ben did not hand in his homewogk yesterday. 英语I have a baseball.和our teacher has some English books.怎么改成否定句,一般疑问句,并作出肯定回答和否定回答 在have (got)的句式中,若是否定句,got能否省略?例：肯定句：I have got a child .该为否定句,能否写为：i have not a child . 英语 改为同义句 I am Jane.His name is Tom.怎样把肯定句改为否定句.有have 和has 怎么改？ 写出英语、HAVE/HAS GOT一般疑问句、HAVE/HAS GOT 否定句、HAVE/HAS GOT特殊疑问句1.我们有一个新老师.2.她奶奶有许多小狗.3.树下面有许多蚂蚁.4.瓶子里有一些汤. He has a sister 变为否定句还哊：They have e big cake 变为否定句 She has to stay at home.（改否定句）She（ ） （ ） to stay at home.可以改成She has not to stay at home么?有have not to do 的说法么?