小升初专区一般现在时讲解习题（无答案）

一般现在时 一、一般现在时的用法 　　一般现在时表示经常性、规律性或习惯性的动作或状态。含有always, often, usually, sometimes, seldom, never, every+时间词等时间状语的句子要用一般现在时。如果句子中的主语是第一、第二人称或其他复数形式的名词，动词用原形；如果主语是第三人称单数形式或其他表示单数概念的名词，动词用第三人称单数形式。21cnjy.com 如：We finish our homework on time at home every day. He always goes to school at about 7:00 in the morning. 二、动词第三人称单数形式的变化规则 　　1. 一般情况下，直接在动词词尾加s。 如：read—reads,play—plays 2. 以s, x, o, sh, ch结尾的动词，在词尾加es。 如：go—goes，wash—washes 3. 以辅音字母加y结尾的动词，把y改为i再加es。 如：study—studies，fly—flies 4. 特殊形式：have—has，be—is 三、一般现在时的句型结构 　　1. 含有be 动词的句子 (1)肯定句： 主语+be 动词+其他. 如：I'm 14 years old this year. (2)否定句：主语+be动词+not+其他. 如：I am not in Grade 4 this year. (3)一般疑问句：Be+主语+其他？ 如： Are you from America? 2. 含有第三人称单数形式实义动词的句子 (1)肯定句： 主语+实义动词的三单形式+其他. 如：Mike plays computer games every Saturday afternoon. 【来源：21·世纪·教育·网】 (2)否定句：主语+does not(doesn't)+实义动词（原形）+其他. 如：Mike doesn't play computer games every Saturday afternoon.【出处：21教育名师】 (3)一般疑问句：Does+主语+实义动词（原形）+其他？ 如：Does Mike play computer games every Saturday afternoon?21教育名师原创作品 3. 含有原形实义动词的句子 (1)肯定句：主语+ 实义动词（原形）+其他. 如：We study in No.1 Primary School. (2)否定句：主语+do not(don't)+实义动词（原形）+其他. 如：We do not (don't)study in No.1 Primary School. 21·cn·jy·com (3)一般疑问句：Do+主语+实义动词（原形）+其他？ 如： Do you study in No.1 Primary School? 考点1 考查一般现在时的动词形式 【例1】用所给动词的适当形式填空。 　　1. He _____ (get) up at 7 o'clock every day. 2. What time _____ he _____ his homework?(do) 3. The sun _____(go) down to the west.21*cnjy*com 举一反三 1. 写出下列动词的第三人称单数形式。 (1) become _____ (2) shine _____ (3) fly _____ (4) teach _____ (5) study _____ (6) have _____ 2. 用所给单词的适当形式填空。 (1) He often _____(have) dinner at home. (2) The boy always _____(teach) his sister maths after dinner. (3) We _____(not watch) TV on Mondays. 21教育网 (4) Mike and his father sometimes _____(read) newspapers together. 【来源：21cnj*y.co*m】 (5) Jack _____(not ride) a bike to school on Fridays. 21*cnjy*com 考点2 考查有关一般现在时句子的句型转换 【例2】按要求改写下列句子。 　　1. Lucy and Lily usually go home together. (改为否定句) 　_____ 　　2. Mike often reads English in the morning. (改为一般疑问句) 　_____ 　　3．We go swimming in summer. (就画线部分提问) 　_____ 举一反三 按要求改写下列句子。 1. Do you like playing basketball? (作肯定回答) _____ 2. My brother has many books. (改为否定句) _____ 3. He lives in the village near the mountain. (改为一般疑问句)2-1-c-n-j-y _____ 4. Nancy comes from the USA. (就画线部分提问) _____ 过关检测 一、写出下列动词的第三人称单数形式。 1. sit _____ 2. swim _____ ... ...