过去式的句子改成否定的时候单词要不要去ed?My dad studied at Cambridge University.改成否定句是My dad didn't studied at Cambridge University.还是My dad didn't studi at Cambridge University.1 My dad studied at Cambridge Univers

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过去式的句子改成否定的时候单词要不要去ed?My dad studied at Cambridge University.改成否定句是My dad didn't studied at Cambridge University.还是My dad didn't studi at Cambridge University.1 My dad studied at Cambridge Univers
过去式的句子改成否定的时候单词要不要去ed?
My dad studied at Cambridge University.
改成否定句是
My dad didn't studied at Cambridge University.
还是My dad didn't studi at Cambridge University.
1 My dad studied at Cambridge University.
2 Chloe wanted some new trainers.
3 Mum drank her coffee quickly.
4 We met our friends at the cinema.
5 I knew the answer to the teacher's question.
6 Mum and dad bought me an MP3 player for my birthday.
过去式改否定

过去式的句子改成否定的时候单词要不要去ed?My dad studied at Cambridge University.改成否定句是My dad didn't studied at Cambridge University.还是My dad didn't studi at Cambridge University.1 My dad studied at Cambridge Univers
要去
1 My dad didn't study at Cambridge University.
2 Chloe didn't want some new trainers.
3 Mum didn't drink her coffee quickly.
4 We didn't meet our friends at the cinema.
5 I didn't know the answer to the teacher's question.
6 Mum and dad didn't buy me an MP3 player for my birthday

否定 I can't swim
一般疑问：Can you swim?
肯定回答:Yes, I can.
否定回答：No, I can't.
can的过去式是could

两个都不对啊~~
应该是：My dad didn't study at Cambridge University.
另外，“My dad not study at Cambridge University.” 这个也是不对的~~

英语行为动词的过去式只用在一般过去时的肯定句中，在疑问句和否定句中，加同样一句“我去上学”在我们汉语看来，不论是表示现在过去还是未来，都是这

都不对，应该是My dad didn't study at Cambridge University.

当然, 要打回原形,,
而且你前面有了 did

过去式的句子改成否定的时候单词要不要去ed?My dad studied at Cambridge University.改成否定句是My dad didn't studied at Cambridge University.还是My dad didn't studi at Cambridge University.1 My dad studied at Cambridge Univers 在否定,和疑问句中,some要改成any吗?什么情况不要?can和could的时候要不要 句子里有again这个单词,要不要用过去式?求教谁能把过去式的用法详细的讲述一下， 双引号再句子里面算笔画的时候要不要算进去? 如果是宾语从句的过去式,tonight要不要改成that night I think you jump very high. (改为否定句)改了之后,句子里的very要不要改成so呢? 背单词的时候要不要读出来 讲单词的时候要不要把音标写出来 只是概念没理清.就比如图中这个问题,在求非q的时候要不要把m的取值也否定,即要不要把m改成m≥0啊?m<0是前提还是条件啊! 英语以t结尾的单词的过去式,过去分词什么时候要双写t还有以E结尾的单词什么时候要去E加ing Bill,come and chat with me.(改成否定句)我最想知道的是and要不要改成or can的过去式could后面的单词要不要跟原形 初中英语单词所有不规则单词复数,过去式,过去分词,现在分词等,越多越好.要不规则的，双写的，去e的 等等。如现在分词：see--seeing swim--swimming复数：people--people 过去分词：drop--dropped 还有 把'明天,我们去南胡公园游玩.改成否定句拜托你们把:明天,我们去南胡公园游玩.这个句子改成否定句,不是双重的哈!.. 这个的英文要不要用过去式? 句子改成一般疑问句时,动词要不要还原疑问、否定句 true的副词形式要不要去e? argue的ing形式要不要去e啊