if 引导的条件状语从句-2025-2026学年七年级英语下册语法考点精讲（沪教版）

7下沪教上海版 【寒假专版】 B版考点精讲 寒假专版 f引导的条件状语从句 语法专项突破 考点精讲 考点一：主将从现的基本用法 规则：f引导的条件状语从句中，主句用一般将来时(w1+动词原形)，从句用一般现在时表示 将来。 例题l:(选择，沪教初中期末真题改编)：Ifit_tomorrow,we will stay at home.A rain B rains C will rain D rained(答案：B) 例题2： （填空)：You_(pass)the exam if you study hard.(答案：will pass) 考点二：f从句与主句的时态搭配（一般现在时表经常性、习惯性） 规则：f引导的条件状语从句表示经常性、习惯性的动作或状态时，主从句均用一般现在时。 例题1：（选择）：Ifhe_free,he often helps me with my English.A is B was Cwill be D is going to be(答案：A) 例题2： 考点三：f引导的条件状语从句的否定形式 规则：if从句的否定在动词前加don't/doesn't/didh't(根据时态)，主句否定在will后加not(won't)。 例题1： (句型转换)：If you run fast,.you will catch the bus.(改为否定句)If you fast,you catch the bus.(答案：don'trun;won't) 例题2： 考点四：f引导的条件状语从句置于主句之后 规则：f从句可放在主句之后，此时主句前无需逗号。 例题1： (语法填空)：We will go for a picnic tomorrow_it doesn't rain.(答案：if) 例题2： 考点五：f引导的条件状语从句与简单句的转换 7下沪教上海版 【寒假专版】 B版考点精讲 规则： “If+一般现在时，will+动词原形”可转换为“祈使句+and/or+简单句”。 例题l:(句型转换)：If you work hard,you will succeed.(改为祈使句)一，and you will succeed. (答案：Work hard) 例题2： 考点综合训练 一、单项选择 1.If you late again,the teacher will be angry. A.are B.will be C.were D.be 2.My father usually reads newspapers if he free in the evening A.is B.was C.will be D.are 3.Wea picnic next Sunday if it doesn't rain. A.have B.will have C.had D.are having 4.If she harder,she can pass the test easily. A.study B.studies C.will study D.studied 5.You_get lost if you don't take a map with you. A.may B.will C.are D.were 二、语法填空 1.I (buy)a new bike if I save enough money. 2.Ifhe(not hurry),he will miss the train. 3.They will go swimming tomorrow_the weather is fine. 4._(listen)carefully.and you will understand the lesson. 5.If you(help)others,they will help you too. 三、句型转换 l.If you don't finish your homework,you can't watch TV.(改为祈使句) your homework,or you can't watch TV. 2.If it snows tomorrow,we will stay indoors.(改为否定句) If it tomorrow,we_stay indoors. 3.You will catch the early bus if you get up at6:00.(改为祈使句) Lat 6:00,and you will catch the early bus. 7下沪教上海版 【寒假专版】 B版考点精讲 四、篇章填空 Tom wants to join the school basketball team.He knows that 1.-he practices every day,he 2. (improve)his skills.His coach told him,"3.(run)for 30 minutes every morning,and you will be stronger."If Tom 4.(not give up),he 5.(make)the team next month.His friends say,"If you need help,we 6.-(play)with you after school." 参考答案 一、单项选择 1.A2.A3.B4.B5.B 二、语法填空 1.will buy 2.doesn't hurry 3.if 4.Listen 5.help 三、句型转换 1.Finish your 2.doesn't snow:won't 3.Get up 四、篇章填空 1.if 2.will improve 3.Run 4.doesn't give up 5.will make 6.will play