高中英语虚拟语气思维导图知识总表虚拟情况If条件句主句与现在事实相反If+主语+V过主语+（would; could; should; might）+V原与过去事实相反If+主语+had+ V过分主语+（would; could; should; might ）have +V过与将来事实可能相反If+主语+V过 Should+V原 Wereto+V原主语+（would; could; should; might）+V原例句：1、表示与现在事实相反的情况： 1If I were you,I would take an umbrella. 如果我是你，我会带把伞。（事实：我不可能是你） 2If I knew his telephone number,I would tell you.如果我知道他的电话号码，我就会告诉你。（事实：不知道） 3If I had any money with me,I could lend you some
