(1)一般现在时
基本形式(以do为例): 第三人称单数:does(主语为非第三人称单数);
肯定句:主语+动词原形+其他;
He works for us.
否定句:主语+dont/doesnt+动词原形+其他;
He doesnt work for us.
一般疑问句:Do/Does+主语+动词原形+其他。
肯定回答:Yes,(+ 主语+do/does).
否定回答:No,(+主语+dont/doesnt.)
特殊疑问句:疑问词+一般疑问句语
Does he work for us?
Yes, he does.
No, he doesnt
What does he do for us?
He works for us.
(2)一般过去时
be动词+行为动词的过去式
否定句式:在行为动词前加didnt,同时还原行为动词,或was/were+not;
was或were放于句首;用助动词do的过去式did提问,同时还原行为动词
例如: Did he work for us?
He didnt work for us.
He worked for us.
(3)一般将来时
am/are/is+going to+do 或
will/shall+do
am/is/are/about to + do
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