After finishing lunch,he asked for a glass of water,完整问题在下面,此处字数限制After finishing lunch,he asked for a glass of water 和 After having finished lunch,he asked for a glass of water.还有when he had finished lunch he asked fo

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After finishing lunch,he asked for a glass of water,完整问题在下面,此处字数限制After finishing lunch,he asked for a glass of water 和 After having finished lunch,he asked for a glass of water.还有when he had finished lunch he asked fo

After finishing lunch,he asked for a glass of water,完整问题在下面,此处字数限制After finishing lunch,he asked for a glass of water 和 After having finished lunch,he asked for a glass of water.还有when he had finished lunch he asked fo
After finishing lunch,he asked for a glass of water,完整问题在下面,此处字数限制
After finishing lunch,he asked for a glass of water 和 After having finished lunch,he asked for a glass of water.还有when he had finished lunch he asked for a glass of water.这3句表达的意思是不是一样?有什么区别吗?

After finishing lunch,he asked for a glass of water,完整问题在下面,此处字数限制After finishing lunch,he asked for a glass of water 和 After having finished lunch,he asked for a glass of water.还有when he had finished lunch he asked fo
第二三句其实一样的
因为when本身就有after的意思
只不过after可以是介词,也可以是连词
你第二句当做介词用了
如果当做连词,就是After he had finished...
与第三句就连形式上都一样了
而第一句与其余两句有一点点区别,这里就是完成时与一般时的区别了
第一句评述一个事实而已
而用完成时的那两句,强调一些影响,比如在一定特殊情境下:有人要求说你吃完饭才能喝水
这是我自己的想法

没有区别,都表示finish这个动作先发于ask for这个动作,只不过采用了不同的语法现象,还可以写为:After he (had) finished这样的从句,因为after已经表明的先后,故这个从句中可以是一般过去时,也可以是过去完成时。
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