时态和语态1 .可表示客观真理、科学事实。The sun rises in the east and sets in the west.太阳从东方升起,从西方落下。2 .可用在由 if , unless 引导的条件状语从句;由 even if/though 引导的让步状语从句;由 when , before , until/till , as soon as ,the moment 引导的时间状语从句;由 no matter what/who/when/where/how 或 whatever , whoever 等引导的让步状语从句中,这时主句往往表将来或主句是祈使句。(2009· 辽宁卷 )My parents have promised to come to see me before I leave for Africa.我父母已经答应在我去非洲之前来看我。Whatever you say , I will not change my mind.无论你说什么,我都不会改变主意。1.(2010· 重庆卷 )The palace caught fire three times in the last century , and little of the original building________now.A . remains B . is remainedC . is remaining D . has been remained解析: 句意为:该宫殿在上世纪曾三次失火,现在原始的建筑物所剩无几。考查动词时态和语态。 remain 是不及物动词,没有被动式或进行式,故排除 B 、 C 和 D ,而选择 A 。答案: A2 . (2010· 合肥第三次教学检测 )—I called you last night , but nobody answered.—Oh , I usually ________off my cellphone by 800 pm.∶A . switched B . have switchedC . switch D . had switched解析: 考查时态。题干中有副词 usually ,叙述答话人的生活习惯,因此这里用一般现在时。我通常在晚上 8 点关机。答案: C3 . (2010· 辽宁卷 )I________all the cooking for my family , but recently I’ve been too busy to do it.A . will do B . doC . am doing D . had done解析: 句意为:我通常都为家人做饭,但是最近太忙了就无暇顾及了。本题考查时态。 A. 将会做,表将来; B. 通常做,表经常; C. 正在做,表进行; D. 过去已经做完,过去完成时。从后面最近太忙的状况来看,应该是平常替家人做饭,所以选 B 。答案: B4 . (2010· 全国卷Ⅱ )Barbara is easy to recognize as she’s the only one of the women who________evening dress.A . wear B . w...