Unit 1 第3课时 Section A(Grammar Focus～4c)——单元语法精讲精练 （作业课件）-【四清导航】2023-2024学年八年级英语下册（人教版 辽宁专用）

第三课时 Section A(Grammar Focus～4c)——单元语法精讲精练 英语 八年级下册 人教版 四清导航 语法精讲 一、情态动词should 情态动词should意为“应该；应当”，其后接动词原形，没有人称和数的变化。否定形式是在其后加not，可缩写为shouldn't。should不能单独作谓语，必须和动词一起构成谓语。 1．句式结构 (1)肯定句：主语＋should＋动词原形＋其他． (2)否定句：主语＋shouldn't＋动词原形＋其他． (3)一般疑问句：Should＋主语＋动词原形＋其他？ (4)特殊疑问句：特殊疑问词＋should引导的一般疑问句？ 2 2．用法 (1)表示委婉地提出意见或建议，意为“应该；应当”。如： You should study even harder.你应当更加努力地学习。 (2)表示义务、责任，意为“应该；应当”。如： You should obey the school rules.你们应该遵守校规。 (3)表示命令或要求，语气比较强烈。如： You shouldn't drive after drinking.你不应该酒后开车。 (4)表示预测或可能性。如： They should arrive before dark.他们天黑以前应该能赶到。 3 二、反身代词 表示反射或强调的代词叫反身代词。反身代词与它所指代的名词或代词形成互指关系，在人称和数上保持一致。 1．构成 人称数　 第一人称 第二人称 第三人称 单数 myself yourself himself herself itself 复数 ourselves yourselves themselves 4 2.用法 (1)作动词(短语)的宾语，常用在teach，enjoy，hurt，help，buy，dress，look after等动词(短语)后。作介词的宾语，常用在by，to，for等介词后。如： He teaches himself dancing.他自学跳舞。 His grandma lives by herself in the countryside.他外婆独自住在乡下。 (2)作表语，常用在be动词，feel，look，seem等系动词之后。如： It's right to be yourself.做你自己就好。 (3)作主语或宾语的同位语，用来加强语气，意为“自己”或“亲自”。如： (作主语同位语)I myself prepared dinner last night.昨晚我自己准备了晚餐。 (作宾语同位语)You can go and ask John himself.你可以去问约翰本人。 5 (4)常用短语： by oneself独自；单独 learn...by oneself自学 enjoy oneself玩得开心 help oneself to... 随便吃/喝…… leave sb. by oneself把某人单独留下 improve oneself提高自己 look after oneself照顾自己 6 语法精练 一、用括号内所给单词的适当形式填空 1．The little boy said，“I am old enough to look after _______ (I) well.” 2．The trip was a little boring.Jim didn't enjoy ________ (he) at all. 3．Did you make the kite __________ (you), kids? 4．Tom and Jack have a lot in common. ______ (they) favorite novel is Journey to the West. 5．The story ______ (it) was very good, but you didn't tell it well. myself himself yourselves Their itself 7 二、按要求完成下列句子 6．He should eat something and rest.(改为一般疑问句) _______ he ____________ and rest? 7．Steven should eat fruit and vegetables more often.(对画线部分提问) ____________ Steven ____ more often? 8．The boy should take some medicine.(改为否定句) The boy ______________ any medicine. 9．The boy did the work on his own.(改为同义句) The boy did the work ___________． 10．It's very important for us to learn by ourselves.(改为同义句) It's very important for us to ______________ ． Should eat anything What should do shouldn't take by himself teach ourselves 8 三、句子翻译 根据所给中文完成句子翻译。 11．你不应该饭后躺在床上。 You ____________ in bed after meals. 12．孩子们，请随便吃些水果。 Boys and girls，_______________ to some fruit. 13．昨天他们在公园里玩得很开心。 They _____________________________________________ in the park yesterday. 14．你不应该把你儿子单独留在家里。 You shouldn't leave your son at home by himself． 15．孩子们在家应该帮助做家务吗？ Should children help with/(to) do housework at home? shouldn't lie help yourselves enjoyed themselves/had fun/had a good/great time 四、阅读短文，选择恰当的情态动词填空或在空白处填入一个适当的反身代词，使短文通顺、连贯 Long long ago, there was a mountain called Great Hill. And at the foot of the Great Hill lived the Yolks. “We 16. _______ (should/shouldn't) reach the top of the Great Hill to see what it's like up there，” said the Yolks. As a result, many Yolks began to climb. One of them was Egg. Egg climbed very slowly. Some people wanted to help him, but he refused. He thought that he 17. _______ (should/shouldn't) climb on his own. “I should have confidence (信心) in 18. _______ . If I go on climbing, I'm sure I 19.can (can/need) reach the top of the Great Hill，” Egg said to 20. ________ . should should myself himself On his way, he met many other Yolks. Some of them stopped climbing because they didn't want to make 21. ___________ too tired. However, Egg went on climbing because he thought he 22. __________ (shouldn't/needn't) give up and that he 23. _______ (could/couldn't) reach the top sooner or later (迟早). And in the end, he reached the top. themselves shouldn't could $$