人教版 八下 UNIT 3 Growing up.Grammar Focus 语法专题精讲精练 连词（although/until/so that/if） 一、连词although 含义：意为“虽然；尽管”，引导让步状语从句。 核心用法： 从句与主句呈转折关系，不能和but连用（二者选其一）； 主从句时态需保持一致。 中考例句：Although he is tired, he still helps his mother with housework.（虽然他很累，但仍帮妈妈做家务。） 二、连词until 含义：意为“直到……为止”，引导时间状语从句。 核心用法： 肯定句：主句谓语为延续性动词，表动作持续到从句动作发生； 否定句（not...until）：主句谓语为短暂性动词，表动作在从句动作后开始。 中考例句：I didn’t go to bed until I finished my homework.（直到完成作业，我才睡觉。） 三、连词so that 含义：表“以便；为了”（目的状语从句）或“结果”（结果状语从句）。 核心用法： 表“目的”时，从句常搭配can/could等情态动词； 表“结果”时，从句描述主句动作的自然结果。 中考例句：She studies hard so that she can get good grades.（她努力学习以便取得好成绩。） 四、连词if 含义：表“如果”（条件状语从句）或“是否”（宾语从句）。 核心用法（条件状语从句）：遵循“主将从现”———主句用将来时/含情态动词，从句用一般现在时。 中考例句：If it rains tomorrow, we will stay at home.（如果明天下雨，我们就待在家里。） 语法专题精练 I. 单项选择. _____ he was tired, he still helped his mother with housework. A. Although; but B. Although; / C. But; although D. But; / Xu Dajun wants to pass the Civilian Mobile Library to his son _____ it can stay open forever. A. before B. although C. so that D. until I _____ think he was wrong. I showed the answer to him _____ he didn’t answer it. A. didn’t; until B. didn’t; till C. won’t; until D. don’t; until _____ she lived near the school, she would walk to school every day. A. Before B. After C. If D. Although He made a lot of mistakes in the English exam _____ he failed to get a good grade. A. only if B. in order to C. so that D. as long as _____ it is raining heavily, we still have to go to school on time. A. If B. Although C. Until D. So that You won’t understand the story _____ you finish reading the whole book. A. until B. if C. although D. so that We planted more trees _____ the air around us can be fresher. A. until B. if C. so that D. although _____ you don’t finish your homework, you can’t watch TV this evening. A. If B. Although C. Until D. So that She practiced the piano every day _____ she could win the competition. A. until B. so that C. if D. although II. 同义句转换（10题） I didn’t go to sleep until I finished my homework. → I went to sleep _____ I finished my homework. She studies hard so that she can pass the exam. → She studies hard _____ _____ to pass the exam. Although it was cold, we still went out for a walk. → It was cold, _____ we still went out for a walk. If you don’t hurry up, you will miss the bus. → _____ _____ , or you will miss the bus. He got up early so that he could catch the first train. → He got up early _____ _____ catch the first train. She forgot to set her alarm clock and as a result, she was late for work. → She forgot to set her ala ... ...
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