Unit 1 What's the matter 单元语法清-【四清导航•辽宁专版】2022-2023学年八年级英语下册作业课件(人教版)

单元语法清 英语 八年级下册 人教版 四清导航 语法精讲 2 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？ 3 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。 4 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、性质和数上保持一致。 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 5 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。 6 (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 7 语法精练 8 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 9 二、单项选择。 ( )6.Hi，boys and girls! Take it easy and believe in ________． A．myself B．yourself C．yourselves D．themselves ( )7.If you have a headache, I think you ________ see a doctor. A．could　 B．would C．should　 D．might (