这句英语为什么用was,不是用is

这句英语为什么用was,不是用is He was a difficult man to deal with 他是个难对付的人,为什么用was不是用is?这是李阳疯狂英语里的一句例句,没有什么语境,就是一句单独的例句. 英语I am late because i got up late.变成强调句,应该用it is 还是it was,为什么 Becoming a professional basketball player is always his dream.为什么用is不是was Do you often play games with your children,and Who is the winner normally?这句英语正确吗?Do you often play games with your children,and Who is the winner normally?为什么用is 而不用was? he insisted that he is right句中为什么用is不用was 谁能帮我看一下这句英语有没有错误I'd buy this if it were cheaper.再便宜一点我就买.（这是我在爱词霸看到的,it是单数不是应该配is吗,就算是过去式应该也要配was吧.可是这里为什么用were 这句话 英语问题He was born in China为什么不用is用was 这句英语怎么翻译She was still tingling with excitementShe was still tingling with excitement这里为什么用was tingling呢? 守望者《watchman》里面的一句英语台词.曼哈顿博士把女主带到火星上之后,发现笑匠是她的亲身父亲,说了句“He was your father.”请问,为什么这里用was,而不是is. 分析这个英语句子的时态和句意!it is／was 3 years since he came here.since不一定和完成时连用吗?用is或was有什么区别 为什么since不能用做that? It is high time that something was done about it.为什么要用was done 不是必须要有should 如果今天是圣诞节 用英语怎么说为什么不是is 英语高手进啊280Did you know (whom i was waiting for)?为什么这句句子是对的?前面不是用did提问的么?我觉得应该是Did you know (whom i had been waiting for)? 【英语】the moment is already gone为什么用is不用was?不过已经过去了吗? He was bored为什么用was?不用is哪？was不是is的过去式吗？这里好像没有过去式啊？没有前一个句子，用is可不可以？是的 不过为什么英语翻译里是WAS? 强调句为什么有时用 It was,有时用 It is 分析一个英语句子：Mary“is”oneofthegirlswhoareontime||be动词为什么不是was?与Tomistheonlyoneofthefourboyswho“was”borninCanada.相对比