人教版（新教材）八年级下册Unit 1-8各单元语法精讲精练+答案

新人教版八年级下册Unit 1-8各单元语法精讲精练 U1不定式作状语和宾语补足语 一、概念 动词不定式是一种非谓语动词形式, 其结构为“to+动词原形”, 其中to不是介词, 而是动词不定式的符号, 称为小品词, 有时要省略。否定形式是在不定式前直接加not, 即 not to do sth.。动词不定式没有人称和数的变化, 在句子中可起到名词、形容词或副词的作用, 可以作主语、表语、宾语、补足语、定语或状语等。 二、接不定式的词 want to do sth想要做某事 would like to do sth想要做某事 help to do sth帮助做某事 like to do sth喜欢做某事 hope to do sth希望做某事 wish to do sth希望做某事 expect to do sth期望做某事 need to do sth需要做某事 plan to do sth计划做某事 seem to do sth似乎做某事 learn to do sth学会做某事 agree to do sth同意做某事 decide to do sth决定做某事 be able to do sth能够做某事 refuse to do sth拒绝做某事 promise to do sth承诺做某事 be able to do sth能够做某事 be ready to do sth准备做某事 be sure to do sth一定做某事 afford to do sth付得起、承担得起做某事 manage to do sth设法做成某事 22. offer to do sth主动提供做某事 三、接不定式作宾语补足语的词 ask sb to do sth要求某人做某事 help sb to do sth帮助某人做某事 want sb to do sth想要某人做某事 wish sb to do sth希望某人做某事 expect sb to do sth 期望某人做某事 need sb to do sth需要某人做某事 order sb to do sth命令某人做某事 promise sb to do sth承诺某人做某事 wait for sb to do sth等待某人做某事 teach sb to do sth教某人做某事 tell sb to do sth告诉某人做某事 invite sb to do sth邀请某人做某事 allow sb to do sth允许某人做某事 encourage sb to do sth鼓励某人做某事 warn sb to do sth警告某人做某事 force sb to do sth强迫某人做某事 advise sb to do sth建议某人去做某事 接动名词做宾语的词（动宾） enjoy doing sth喜欢做某事 finish doing sth完成做某事 mind doing sth介意做某事 dislike doing sth不喜欢做某事 practice doing sth练习做某事 feel like doing sth想要做某事 keep doing sth保持做某事 have fun doing sth开心做某事 avoid doing sth避免做某事 consider doing sth考虑做某事 can't help doing sth 情不自禁做某事 suggest doing sth建议做某事 作介词的宾语（介宾） look forward to doing sth期待做某事 be interested in doing sth有兴趣做某事 thank you for doing sth感谢做某事 give up doing sth放弃做某事 be/get used to doing sth习惯于做某事 be good at doing sth擅长于做某事 protect....from doing... 保护..免受... have difficulty/trouble (in) doing有困难做某事 pay attention to doing sth注意做某事 prefer doing sth to doing sth宁愿做某事也不做某事 instead of doing sth代替做某事 What about/How about doing sth 做...怎么样？ be afraid of doing sth害怕做某事 be nervous of doing sth紧张做某事 be busy doing sth忙于做某事 be worth doing sth值得做某事 succeed in doing sth成功做某事 六、既可以接动词不定式, 也可以接动名词形式, 但意义上有差别的词 stop to do sth停下来去做另一件事 stop doing sth停止正在做的事 forget to do sth忘记做某事(事情没有做) forget doing sth忘记做过某事(事情已经做了) remember to do sth记住做某事(事情没有做) remember doing sth记得做过某事(事情已经做了) try to do sth设法/尽力做某事 try doing sth尝试做某事 mean to do sth 打算或想要做某事 mean doing sth意味着做某事 regret to ... ...