请教英语句子结构的问题Since we last met in this chamber, combat forces of the the United States, Great Britain, Australia, Poland and other countries enforced the demands of the United Nations, ended the rule of Saddam Hussein, and the peo

请教英语句子结构的问题Since we last met in this chamber, combat forces of the the United States, Great Britain, Australia, Poland and other countries enforced the demands of the United Nations, ended the rule of Saddam Hussein, and the peo 急.英语!下面哪个句子是成立的?1、we have made friends since ten years ago2、we have been friends since ten years ago3、we have become friends since ten years ago是关于完成时的问题吧?到底“交朋友”用完成时怎么说 简单的英语句子,看看有错吗we have be classmate since 3 years ago 关于英语的问题 we can see the map on the wall.还有一个句子 my book is on the desk为什么第一个句子map 后不加be动词 而my book 后要加is求两个句子的句子结构。 请教关于句子成分的问题,在英语句子：Faced with difficulties,we must try to overcome them.中Face with difficulties和主语we之间应该是主动关系吧,可为什么还要用过去分词表被动呢? 大学英语精读5,4A句子结构问题Since parents today are having fewer children their chances of having a child to be proud of “are lower than when families were large.since这里是because的意思么?句子为什么用when不用that?比较 求助英语句子结构问题,谢谢!The equation is valid quite early since, as soon as the bubble is three times bigger than the initial nucleus, the error is small.在这个句子中,early since, as soon as这一连串的副词和连词怎么理 关于英语句子最基本结构的问题除了主谓宾、主系表,还有什么结构呢? 请教大哥大姐一个英语问题Their meetings often lasted long past their customary half-hour appointment这句子该怎么划分结构呢? 英语句子的一般结构 英语的句子结构有哪几种? 一个英语句子结构的分析----------高手帮忙23、Try not to cough more than you can help since it may cause problems to your lungs.先分析句子结构,再翻译,这个句子有点乱, 请教大神一个英语句子.我实在是看不懂However,this must be weighed against the benifits for city children for whom we all have he geatest duty of care.我的问题是：1,这个句子啥个意思.2,这个句子的结构是啥样的?3, 请教此英语句子结构Most people had a problem getting enough to eat.请问下这里的getting算是什么结构? 英语句子改正：we have in the same class since primary school 英语结构问题如何判定英语句子中的主谓宾定状补? 请教氯化铝的结构 德语的语法问题德语句子的结构是什么啊 比如说英语是 主谓宾定状补