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doubt的各种变形 (doubt的用法)

     2023-05-30 12:20:07     34
5分钟前

在讲解句型时,把所涉及的语法也都讲解一下,以便于学习和巩固已学习过的语法。另外,涉及到与这个单词相关的考点也一并列举在上,使知识系统化完整化。

261,...be used for/as...被用来……;被用作……(这个词要掌握这几点:一,几个形式,useful有用的,形容词/usefully有用地,副词/useless无用的,形容词/uselessness有用,名词;二,几个句型,be used to do sth=be used fordoing sth被用于做某事,be/get used to doing sth习惯于做某事,used todo sth过去常常做某事(暗示现在已不做某事),它的否定式usedn't,疑问式,used提前。)

262,...would rather do sth...than do sth...宁愿……而不……(其中than是连词,后接动词原形。例如:I would rather die than stay at home all the time.我宁愿死也不愿意一直宅在家里。)

263,what's more而且,另外(=besides/in addition,用于一句话之前,常用“,”隔开,用于引述,另一句话。)

264,It is said that…..据说···(it is reported据报道/thought有人认为/hoped有人希望/believed 有人相信that+从句,it是形式主语,that是真正的主语。例如:It is said that he has gone abroad to study further.据说他出国深造去了。)

265,No wonder that...准怪……(其实是省略了it is,这种结构,在英语学习的过程中,经常遇到,it is no use/need that+从句等,另外,there is no doubt that+从句,that引导的是同位语从句。)

266,as long as...和……一样长;只要(引导条件状语从句,常用一般现在时表示将来,As long as he arrives in the countryside,he will see beautiful surroundings.一只要到农村去,就会看到美丽的环境。)

267,do harm to...对……有害(be harmful to,前者harm是名词,后者harmful是形容词。)

268,be sure to do…一定要;务必(形容词之后常加不定式to do,例如:be pleased/glad/nice/excited to do)

269, *** .be sure/certain...某人对…肯定、确信、有把握(后可以接that从句,也可以接of+名词或代词。)

270,make certain/sure that...确保……

271,All I ever wanted to do is……我曾经想做的是···(后接that引导表语从句,或接省略to的不定式。例如:All I ever wanted to do is practise speaking English.我曾经想做的事就是练习说英语。

273,take *** ./sth.seriously.认真对待某人/认为某人/事重要(seriously是副词,做状语,修饰take。副词修饰动词做状语,描述的动作的状况。)

274,be willing to do sth...,愿意做……(be unwilling to do sth/be eager to do sth.形容词后常接动词不定式。)

275,put off doing...推迟做……(动词短语后接doing很常见run out of sth用光/ give up doing/look forward to doing/pay attention to doing.)

276,not only...but also...不仅……而且……(连接主语遵守就近原则,意即:谓语与最近的主语保持一致。but可以省略。)

277,above all首先;重要的是(after all毕竟/in all总共/not at all不客气not...at all一点也不)

278,get/be/become used to...习惯于……;适应…(to是介词,后接动词时,要把动词变为V-ing,这一类的情况常见,例如:look forward to/pay attention to/object to反对/be devoted to致力于。)

279,There be something wrong with...……出了毛病、故障(不定代词的定语后置,nothing serious没什么严重的/something important重要的事情)

280,compared with/to...和……相比而言,比较起来……(要用comparing,后要接宾语,常见词还有faced with面对/dressed up as 打扮成)

282,either...or...或者……或者;要么……要么(neither...nor...既不...也不...连接主语遵守就近原则。)

283,prefer to do...(rather可省) than do / prefer doing sth....to doing sth更欢做,更愿意做…(注意:than后加动词原形,to后加doing)

284,A as well as B...和;又;除……之外(也)……(as well=too=also,否定句中用either.)

285,by the time...到……时候为止(如果加过去时间,主句要用过去完成时。例如:we had learned 2000 words by the time we finished our junior school.(到了初中毕业时我们已经学习了2000单词。))

288,I suppose that...我认为、想、推测……(imagine that+从句/I think that+从句,意思同。)

289,I don't mind if...如果……我不介意(还要掌握mind one's doing sth.介意某人做某事/in ones mind在某人的心里//mind doing sth”介意做某事)

290,There used to be...曾经有…(there must be一定有/there may be可能有/there will be将会有,它是there be的一个变形。)

291,had better do sth.更好度做某事(否定式had better not do sth更好度不做某事=it isthe best to do sth.)

292,如何表示“长、宽、高……”(主语+系动词或实意动词+more than/about/less than等表示大约数的词+数字+单位+long/wide/tall/away等)例如:The river is about 5000 meters long.这条河长5000米。

293,Whether……or……不管···还是···(连接主语遵守就近原则,例如:Whether I or she likes playing basketball.不论是我还是她都喜欢打篮球。likes就是与she保持一致。)

294,whether引导名词性从句(名词性从句包括:宾语从句,表语从句,主语从句,表示不确定,就用whether(是否)来引导,主语从句或表语从句常用whether引导,只有宾语从句可以用if替换whether)

295,get+过去分词,表示“被……”(往往强调动作,get married结婚/get drunk喝醉/get changed换衣服,等。例如:when did you get married?你啥时候结的婚?How long h *** e you been married?你结婚多久了?这两个句子,前者动作,后者就是状态。)

296, *** .realize that...某人意识到……

297,It might seem that...有可能(it形式主语,that引导是真正主语从句。)

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关键词: 从句 主语 动词