I was at home.（一般疑问句并否定回答）27

Were you at home?
No, I was not.

改为一般疑问句的步骤、当句子中有am/are/is/were/was/can/may时变成一般疑问句，直接把这些是动词放到句子开头，结尾加问号？
如：It is a beautiful dog(句子中含有am/are/is/were/was/can/may），直接把这些词搬到句子开头就OK啦。
句子变为：=>Is it a beautiful dog ?
2、当句子中没有上面这些词，就要学会看动词：
（1）如果动词结尾有s/es，变一般疑问句，句子开头用Does,动词结尾的s/es去掉，结尾加问号？
如：He goes to the night school everyday.
句子变为：=>Does he go to the night school everyday ?
（2）如果动词结尾有d/ed或过去式不规则动词如went，said，felt，saw, got, began,…一般疑问句句子开头用Did,动词结尾的d/ed要去掉（不规则动词要还原如went-go, saw-see，felt-feel，said-say ,got-get, began-begin,…结尾加问号？
如：He went to the night school last night.
句子变为：
Did he go to the night school last night ?
（3）如果看不见动词结尾s/es或d/ed就用Do提问，结尾加问号？
如：They go to the night school everyday.
句子变为：=>Do they go to the night school everyday
其次就是学会想。
有时候很多同学会问，老师我什么时候用助动词Did/Does/Do，什么时候是用是动词am/are/is/were/was，这是我先给你交待助动词和是动词的区别。是动词是指be（ am/are/is/were/was）这am/are/is是be的一般现在时的不同形式，而were/was是句子一般过去时的两种形式，他们的变化是受主语影响的一般来说是I 用am，you及复数用are，he/she/it单数用is.助动词是句子中没有是动词时就要用do /does/did
最后就是学会用。
如果句子中有动词原形时，问句开头用Did/Does/Do。如果句子中没有动词，或者动词是ing形式（going，staying）时，问句开头一定用be =am/are/is/were/was。
这一题be动词I提前变为was i at home,在英语中经量别自问自答就变为Were you at home?
No, I was not.

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