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在情景中学语法 条件句和虚拟语气（1） If条件句（1） 王琴 If 条件句 (1) （真实条件句） Reading： Carl and Lee are football fans. Their team, Leeds United, are playing tonight. Carl’s talking about the game. “They’ll win the championship if they beat Arsenal tonight. And if they win the championship, they’ll play in the European Cup next season. I．If +一般现在时 + will 1 用 if +动词的一般现在时谈论将来可能的动作或状态，if从句后常跟另一个带will或 won’t 的句子。 If they win the championship, they’ll play in the European Cup. (Leeds可能获冠军，也可能不能获冠军，winning 是有实际可能性的) 2．If +一般现在时(if从句) +表将来的will（主句） If they win the championship, they’ll play in the European Cup. 这句话谈的是将来，但在 if从句中不用将来时态，不说 If they will win the championship，只用现在时态，通常用一般现在时。 3. If从句可以放在句首或句末。 They’ll win the championship if they beat Arsenal tonight. Or If they beat Arsenal tonight, they’ll win the championship. 注意：不要混淆 if和when。 If they beat Arsenal tonight, they’ll win the championship. (If= 一个条件。谈论的是可能性。) When they beat Arsenal tonight, they’ll win the championship. (when= 一个时间的点。他们肯定会打败Arsenal) 小练习I 完成句子： 1. What (happen) if __ ? They’ll win the championship. 2. What (happen) if ___ ? They’ll play in the European Cup. II．If +一般现在时＋can , should, may, might,等 Reading： Cal’s still talking about Leeds United. “And if they play in the European Cup, they might make a lot of money. If they make a lot of money, they can buy some new players. And if they buy new players, they should win the championship again next year…” １．主句中的将来用will，还可以用can, could, should ought to, may, might, must来表示。 If they play in the Cup, they might make a lot of money. (= Perhaps they’ll make a lot of money.) If they make a lot of money, they can buy new players.. (= They’ll be able to buy new players.) If they buy new players, they should win the championship again. (= They’ll probably win the championship again.) 小练习II：用 should ,can, might改写句子。 1 If Leeds play badly, perhaps Arsenal will win tonight. If Leeds play badly ,____ 2 If Leeds play well, they’ll probably beat Arsenal. If Leeds play well, ____. 3 If they buy new players, they’ll be able to improve the team. If they buy ,______ I． If ＋一般现在时＋一般现在时或祈使句 Reading: “Listen, Cal, If we don’t leave now, we’ll miss the bus. So, if you’ve finished talking, can we go ? Come on ! If you’re coming to the match, hurry up ! And if you want to get in, don’t forget your ticket ! They don’t let people in if they don’t have s ticket.””OK,OK,! I’m looking for my scarf. Leeds always win if I wear my scarf.” １．用If + 一般现在时＋一般现在时表示所谈的事总是事实。 一般现在时（主句） 一般现在时（if 从句） Leeds always win if I wear my scarf. (= Every time I wear my scarf, Leed win.) They don’t let people in if they don’t have a ticket. (=They never let people in without a ticket.) ２．主句中还可以用祈使句（表命令）。 If + 一般现在时 (if从句 ) ＋ 祈使句（主句） If you’re coming to the match, hurry up! If you want to get in, don’t forget your ticket ! 从句还会出现其他时态： If + 现在完成时 If you’ve finished talking ,can we go ?(=If you’ve finished now.) If + 现在进行时 If you’re coming , hurry up !(=If you intend to come.) 小练习III： 用所给动词的正确时态填空： 1 If you(want ) to get into the ground,(not forget0 you ticket. 2 If you (go) to an “all-ticket “match, you(need) a ticket to get in. 3 If Cal(wear0 his scarf, Leeds always (win). 4 Come on, Cal ! if you (come) to the match, hurry up ! 答案： I What will happen if they beat Arsenal ? 2 What will happen if they win the championship ? II 1.If Leeds play badly, Arsenal might win tonight. 2 If Leeds play well, they should beat Arsenal. 3 If they buy new players, they can improve the team. III.1 want don’t forget! 2 go need 3 wears win 4 you’re coming |
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