过去式跟现在完成时His father _____several times during the warof libe

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过去式跟现在完成时
His father _____several times during the warof liberation.
A had been wounded B was wounded Cwounded D had wounded 这个答案是B,像这样怎么判断是否用现在完成时,有没有什么单词是说一看就知道是现在完成时的,这两个不太会区分

本题中动作对现在无影响,故用过去式,又是被动,因此为B
再问：怎么判断是否有影响
再答：这句话里只说 during the war of liberation，在解放战争中受伤，没有提及现在的信息，单纯陈述了一个事实，所以没影响，一般如果有影响会有其他表示现在的信息出现
再问： we have been warned to be carefulof rats since the whole street was full of rubbish.这句应该是现在完成时而不是完成进行时，自从街上充满了垃圾，我们被警告小心老鼠，这句对现在的影响是什么
再答： been warned to be carefulof rats

过去式跟现在完成时His father _____several times during the warof libe His father _____several times during the war of liberation. His father ___ many times during the war. 填had wounded不可以么? father __several times during the war of liberation _____several times,they need some encourage I saw Tom often swims with his father during the summer holi 现在完成时:单项选择　11、 His father ______ the Party since 1978 .　　A.j he stopped three times during his class.的翻译 JUST NOW是跟现在完成时连用还是跟过去式连用? During his stay in America,my father often communicated with My father suddenly________to life during his trip to shangha 现在完成时能跟过去式的时间状语么