If条件句 主句
过去 Had done / been Would/ should/ could have done
现在 Were /did sth Would / should/ could do
将来 Were to /should /did Would / should/ could do
清楚吗?
If条件句 主句
过去 Had done / been Would/ should/ could have done
现在 Were /did sth Would / should/ could do
将来 Were to /should /did Would / should/ could do
清楚吗?
最新问答: 下面的分数单位“1”各指什么?1.十分之九千米.2.一次工程的八分之三 we should never forget the severesnow storm in eariy 2008 an 交流( ) 填词语 老虎的吼声很大.(改为夸张句) 根据男职工人数比女职工人数少15%,写一个相等的数量关系式______. where are there? Kate asks me(间接宾语) Kate asks __ __ __ science加后缀变另一名词 半径分别为5cm和2cm的两圆相切,则两圆的圆心距是多少? what means is "rearrange" I feel far better than yesterday.这句话中far可否换成quiet?far有表程度的意思 轮船的大小通常用排水量来表示,一艘轮船的排水量是2万吨,满载0.8吨的货物在长江中行驶,它排开水的体积是( )立方米?船 在正项等比数列{an}中.a1^2+a2^2+a3^2+...+an^2=(4^n-1)/3.则a1+a2+a3+... 某元素的最高正价与最低负价的代数和为4,且最高氧化物中含氧质量分数为60%,则该元素最高价氧化物化学式为 当我遇到困难的时候 作文 图甲为某叶肉细胞的亚显微结构示意图,图乙示该叶肉细胞内发生的某些生理过程.请据图回答问题: 两小儿辩日反映了中国古代人的什么精神 用关联词填空:___太阳围绕着地球转,____地球围绕着太阳转 按规律填数 1,8,27,64,( ),216,343. 在某种考试中,设A、B、C三人考中的概率分别是[2/5]、[3/4]、[1/3],且各自考中的事件是相互独立的. HS- 离子有什么性呢?氧化性还是还原性呢?与氢氧根离子在一起会怎么样呢? 当盛油的厚壁钢瓶内压强很大,相当于大气压的1万到2万倍时,虽然瓶壁无裂痕,瓶内的油依然能从里面渗出,这是因为