do和does的用法 does的用法及句型( 四 )


4.否定形式:主语+was / were+not+其他;在行为动词前加didn't,同时还原行为动词 。
5.一般疑问句: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 。
eg:①She often came to help us in those days.那些天她经常来帮助我们 。②I didn't know you were so busy.我不知道你这么忙 。
一般将来时
1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事 。
2.时间状语:Tomorrow, next day (week,month, year…), soon, in a few minutes, by…, the day after tomorrow,etc.
3.基本结构:主语+am/is / are+going to+do+其它;主语+will / shall+do+其它
4.否定形式:主语+am /is/ are not going to+do;主语+will / shall not do+其它
5.一般疑问句:be 放于句首;will / shall 提到句首 。(首字母大写)
eg:①They are going to have a competition with us in studies.他们将在学习中与我们竞争 。②It is going to rain.天要下雨了 。
一般过去将来时
1.概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中 。
2.时间状语:The next day (morning, year…), the following month (week…), etc.
3.基本结构:主语+was / were+going to+do+其它;主语+would / should+do+其它
4.否定形式:主语+was / were+not+going to+do+其它;主语+would/should+not+do.
5.一般疑问句:was 或 were 放于句首;would / should 提到句首
eg:①He said he would go to Beijing the next day. 他说他第二天要去北京 。②I asked who was going there. 我问,谁要去那里 。
现在进行时
1.概念:表示现阶段或说话时正在进行的动作及行为 。
2.时间状语:Now, at this time, days, look, listen, etc.
3.基本结构:主语+be+doing+其它
4.否定形式:主语+be+not+doing+其它
5.一般疑问句:把be动词放于句首 。
eg:
①Are you feeling good today?你今天感觉如何?
②He is doing well in his lessons.在课上他表现得很好 。
过去进行时
1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作 。
2.时间状语:at this time yesterday, at that time 或以 when 引导的谓语动词是一般过去时的时间状语等 。
3.基本结构:主语+was / were+doing+其它
4.否定形式:主语+was/were+not+doing+其它
5.一般疑问句:把 was 或 were 放于句首 。(第一个字母大写)
eg:①At that time she was working in a company. 那段时间她在一家公司工作 。②When he came in, I was reading a newspaper. 他进来时,我正在读报纸 。
现在完成时
1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态 。
2.时间状语:yet, already, just, never, ever, so far, by now, since+时间点,for+时间段,recently, lately, in the past few years,etc.
3.基本结构:主语+have / has+过去分词+其它
4.否定形式:主语+have / has+not+过去分词+其它
5.一般疑问句:have 或 has 放句首 。
eg:①I've written an article. 我已经写了一篇论文 。②The countryside has changed a lot in the past few years. 在过去的几年,农村发生了巨大的变化 。
过去完成时
1.概念:过去发生或者已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态 。
2.时间状语:before, by the end of last year (term, month), etc.
3.基本结构:had+done.
4.否定形式:had+not+done.
5.一般疑问句:had 放于句首 。
6.用法:
(1)在told, said, knew, heard, thought等动词后的宾语从句中 。
eg:She said (that) she had never been to Paris. 她告诉我她从来没有去过巴黎 。