1、七年级英语下册Unit 4语法和写作一、重点语法语法精讲-祈使句1.定义：祈使句是用来表示请求、命令、建议等语气的句子,通常说话的对象是第二人称you,you常被省略。 2.肯定祈使句do型:动词原形+其他.(please让语气更委婉)如:Sit down please.请坐下。 be型:Be动词+形容词/名词(+其他)、如:Be polite to the old.请对老人有礼貌。let型:Let+宾语+动词原形+其他、如:Letme help you.让我来帮助你。 其他:No+v.-ing/名词.(表示“禁止”)如:No smoking!禁止吸烟!Nophotos!禁止拍照!3.否定祈使
2、句do型和be型否定形式:Dont+动词原形+其他。如:Dont be late for class.上课不要迟到。 Dont listen to music in class.上课不要听音乐。let型否定形式 Dont +let+宾语+动词原形+其他，如:Dont let him do this.不要让他做这个。 Let+宾语+not+动词原形+其他。如:Let himnot go out.不要让他出去。二、写作和范文01 主题分析本单元写作情境属于“人与自我”主题范畴中“生活与学习”这一主题群，涉及子主题“丰富、充实、积极向上的生活”。常见的写作任务是描述一次娱乐活动或者论述娱乐活动的益处
3、和过度娱乐的弊端。体裁多为记叙文或说明文。02 素材积累【开头句】Recently,Ive done a survey in our school on students time spent on social media apps every day, Here is the result of the survey.Im happy in China,and I cant wait to tell you my three-day social practice activity last week.【中间句】 However, if it takes us too much time,
4、 we cant keep a balance between study and play. Whats worse,staring at the screen for a long time has a bad effect on our eyes.【结尾句】All in all,after-school activities make my life more colourful and meaningful.I was tired but happy during the activities and it was an unforgettable experience.【名言警句】A
5、ll work and no play makes Jack a dull boy.只学习,不玩耍,聪明的孩子也变傻。Playing is the nature of children.玩是孩子的天性。03 范文剖析假如你是校英语报记者。最近，你对同学们社交软件(social media apps)每日的使用情况进行了调查,下面图表中是此次的调查结果。请你写一份英文调查报告,描述调查结果，并谈谈你对学生使用社交软件的看法。审题指导1.体裁:说明文2.时态:一般现在时3.人称:以第三人称为主思路点拨The survey on social media appsbeginning（Introduc
6、tion）:Recently, Ive done a survey in our school on students time spent on social media apps Beginning every day.Body（Results）: The pie chart shows that. Conclusions:provide us with a.free us from the. may waste the time.have a bad effect on our eyes Ending 范文欣赏The survey on social media appsRecently
7、,Ive done a survey in our school on students time spent on social media apps every day. Here is the result of the survey.The pie chart shows that 76% of the students spend 2 to 3 hours checking their social media apps everyday and about one fifth of them use the apps for less than 2 hours. Only 4% o
8、f them view the apps within 1 hour.In my opinion,social media apps provide us with a platform to share our life with others. The funny posts on them also free us from the stress of studies. However,if it takes us too much time, we cant keep a balance between study and play. Whats worse, staring at t
9、he screen for a long time has a bad effect on our eyes.04写作练笔劳逸结合才能更好地提高学习效率,我们在学习之余也应该培养一些爱好来放松自己。请以“My favourite after-school activity”为题，写一篇70词左右的短文,向学校英语报投稿，介绍自己的爱好。内容包括:1.喜爱这个活动的原因;2.你曾有过的经历;3.你从中有什么收获。习作范文One possible version:My favourite after-school activity My favourite after-school activit
10、y is playing basketball. I love this activity because it is a fun way to stay active and make new friends. I joined the basketball club last year and had some really wonderful experiences. I took part in basketball games and scored a few points. I learnt a lot from this activity. I improved my basketball skills and I learnt the importance of teamwork. I also made many new friends and they always share their love for this sport with me. In a word, playing basketball is a really good after- school activity for me.3
