请分析句子的时态People had been drinking white the willow bark for thousands of years, but no one knew why it helped.

请分析句子的时态People had been drinking white the willow bark for thousands of years, but no one knew why it helped. Many people pretend that they understand modern art.请分析句子（包括动词使用时态） 请分析下面英语句子结构及时态：The dream he had had for so many years ended there.整个句子是一般过去时吗?主语是The dream he had had for so many years ,ended是整句的谓语动词?he had had for so many years是一个定 英语句子时态语法分析,Had I looked closer,I’d’ve seen that Gabrielle was a drowning woman,desperately in search of a life raft.请分析此句里的时态和为什么had提前,还有Had I looked closer做什么成分.中文译文：如 I have been dowm that road.句子中的down是什么词性啊现在完成时的主动时态构成不是have/had+Ved吗?这里的been是什么意思呢?down这个词又是怎么回事呢?请大家帮忙分析一下这句话,谢谢! 请帮忙分析一道选择（关于时态）2.Koirala himself was taken into custody the moment he ______ step off the plane.A .would step B.had stepped C.stepped D.was stepping 不是用过去进行时,还有句子的意思,是的，off前面的ste 请分析一下这个句子的语法问题!请分析一下这个句子结构：The soldiers would go into battle in the same manner as their ancestors had done centuries before.后面in the same...是从句?还是并列句?句子的时态?还有in th 请帮忙看以下句子是什么时态,有没有虚拟语气?帮我分析一下句子结构,时态,We’d have had to come home before the term was out anyway.” I had been sitting的意思.,时态,相关句子-举例 英语语法.1·we would have won if we had had thousands of fans screaming.请帮忙分析一下句子用的是什么时态,为什么有两个had?还有would have won 是would have done 2·I realized that i forgot to lock the classroom due to carele 请分析这个句子I'll be seeing you soon.请分析这个句子的时态I'll be seeing you soon. They had been around for centuries.这是什么时态,帮忙分析一下句子结构, 请大家分析以下这个句子的语法,超级难She also had a feature that most people wouldn't think of as contributing to attractiveness,but really does,which is a small,gracile jaw, 加since的句子时态的用法句子后面+since,前面的时态应该用什么.比如 I___here since I was a child.A.have been staying B.had been staying C.stayed D.have stayed E.had stayed 翻译句子“到去年年底,他们已经结婚10年了”请帮忙分析一下时态还有marry的用法 各种时态的分析 Tom has had a cold since the day before yesterday 帮我就时态来分析下这个句子 一个英语句子结构的分析What some people regard as a drawback is seen as a plus by many others.此句子结构混乱,请高手分析