【正文】
用were)would (should ,could ,might)+動詞原形與將來事實(shí)相反一般過去時(shí)(be 用were)should +動詞原形were to +動詞原形would (should ,could ,might)+動詞動詞原形與過去事實(shí)相反過去完成時(shí)would (should ,could ,might)+have+過去分詞If I were a bird ,I could fly in the air .如果我是一只小鳥,我就會在天上飛。引導(dǎo)虛擬條件句。如:If you won’t go , I’ll go alone.如果你愿意去,我就自己去。If they e tomorrow , we`ll have a meeting. 如果他們明天來的話,我們就開個(gè)會。從句要求用一般現(xiàn)在時(shí)表將來。筆者就if中的時(shí)態(tài)應(yīng)用總結(jié)如下:一.意“如果” 表真實(shí)條件。if條件句中的時(shí)態(tài)應(yīng)用if是高考考查熱點(diǎn)之一。同學(xué)們往往把它的時(shí)態(tài)容易判斷錯(cuò)誤。引導(dǎo)真實(shí)條件句。If it rains tomorrow , we `ll stay at home.如果明天下雨的話,我們將呆在家里。注意:在表示“愿意”或“不愿意”時(shí),if 后可以跟will 或won’t.。二.意“假如” 表虛擬條件。表示與事實(shí)相反的假設(shè)。If I had enough money now, I would lend it to you