Unit 1 第3课时 (Grammar Focus 4c)—单元同步语法精讲精练-【黄冈100分闯关】2022-2023学年八年级英语下册作业课件(人教新目标Go For It!)

第三课时　(Grammar Focus­4c) —单元同步语法精讲精练 英语 八年级下册 人教版 100分闯关 should为情态动词，表示“应该；应当”，常用来征求别人的意见和建议。其后接动词原形，没有人称和数的变化。 ►具体用法 ①表示劝告或者建议。 eg：You should stop smoking.你应该戒烟。 ②表示命令或者要求。 eg：You shouldn't talk in class.你不许在课堂上讲话。 ③表示义务、责任。 eg：We should study hard.我们应该努力学习。 2 ④表示预测或者可能。 eg：They should come here by ten.他们应该会在十点前到这儿。 ⑤表示说话人的情感，如失望、愤怒或惊讶。 eg：How should I know？我怎么会知道？ ►句型结构 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？ 肯定答语：Yes，主语＋should. 否定答语：No，主语＋shouldn't. ④特殊疑问句：特殊疑问词＋should引导的一般疑问句？ ►构成 ►用法：反身代词表示“自己；本人；本身”，在句中可作宾语、表语或同位语，也可用在固定短语中。 eg：They taught themselves English.他们自学英语。(作宾语) The poor boy was myself．那个可怜的男孩就是我自己。(作表语) Mr. Li himself is an English teacher.李先生自己是一名英语老师。(作同位语) by oneself独自；单独；独立地 enjoy oneself玩得高兴 help oneself (to)随便吃/喝些…… teach oneself/learn...by oneself自学 keep...to oneself保守秘密 一、根据句意，用括号中所给单词的适当形式填空。 1．Maybe we should _________(wait) a little longer.Lily is on her way. 2．Don't worry！We can look after _____________(we) well. 3．Mr. Yang cleaned the classroom ____________(he) yesterday. 4．—Dad，can you help me？I can't make the model plane by __________(I). —Sure. 5．—How did you hurt __________(you)，Helen? —I fell down when running. 6．The story _________ (it) was very good，but you didn't tell it well. 7．My grandma taught __________(she) English.How cool! 8．They enjoyed ______________(they) at the new park last Saturday. wait ourselves himself myself yourself itself herself themselves 二、按要求完成下列句子。每空一词。 9．Should I get off at this stop？(作否定回答) _____，______________． 10．Mary should exercise every day to keep healthy.(改为一般疑问句) ________ Mary _________ every day to keep healthy? 11．You should eat some candy.(改为否定句) You _______________ any candy. No you shouldn't Should exercise shouldn't eat 7 12．We should brush our teeth three times a day.(改为一般疑问句) __________ we ________ our teeth three times a day? 13．Should I go to a doctor if I don't feel well？(作肯定回答) ___________________． 14．David should ask his parents for help．(对画线部分提