2019年教师招聘英语学科专业知识考点梳理第一部分词法考点十一情态动词一、情态动词的用法1. can 用法①表示能力，与be able to同义，但can只用于现在时和过去时，be able to可用于各种时态。
I can do it on myself.注：Can you … ? Yes, I can / No,I can’t.②表示允许、请求，用could比can 语气更加委婉客气，常用于could I /you …..?句型中，若表示同意时，用can回答而不用could。
Could I borrow the book ? Yes, you can. /No, you can’t .③表示推测，意为“可能”，常用于否定句或疑问句中（can’t表示一定不是）Can it be true ? 会是真的吗？It can’t be true. 不可能是真的。
2. may 用法①表示许可或征求对方的许可（=can），常与第一人称连用。
May I ….?Yes, you may. /Yes, please.No, you can’t / mustn’t .②表推测，意为“可能、也许”。
常用于肯定句中。
Maybe he knows the news .= He may know the news.3. must用法①表示义务，意为“必须”（主观意志）。
We must do everything step by step.Must I ….?Yes, you must / No, you needn’t(don’t have to ).②mustn’t表禁止、不允许。
You mustn’t talk to her like that.③表示推测，意为“想必、准是、一定”等，只用于肯定句。
否定、疑问句中must改为can。
He must be ill. He looks so pale.She’s wearing a diamond necklace. She must have a lot of money.4.need用法need既可用作情态动词，也可用作实义动词。
用作情态动词时，主要否定句或疑问句中。
用作实义动词时，可用于各种句式。
①用作情态动词，用于否定句和疑问句中。
■Need I ….? Yes , you must / No, you needn’t .■need + do sth . 变否定句：needn’t do sth 变疑问句：Need sb do sth ?②用作实义动词■need + to do sth . We need to buy some school things.变否定句：don’t/doesn’t/didn’t +need to do sth.变疑问句：Do / Does /Did sb + need to sth ?Yes , … do/ does / didNo, sb don’t / doesn’t/didn’t .■当主语是物时，sth + need + doing sth = sth +need to be done .The table needs painting . =The table needs to be repaired.5.had better 用法①had better + 动词原形 = It’s best to do sth . 最好做某事②had better not +动词原形最好不要做某事We had better not play the computer games .6.must 与have to用法①一般情况下，两者可互换。
must = have to②must “必须，应该”表示说话人的主观看法，即说话人认为必须干某事。
（内在原因； have to 意为“必须，不得不”，强调客观需要，即外界因素迫使某人不得不干某事。
（外界原因）。
7. shall用法①shall用于第一、第三人称构成的疑问句，表示征求对方意见或请求指示Shall we begin our lesson?②shall用于第二、第三人称陈述句中，表示说话人给对方的命令、警告、允诺、威胁、规定、必然性。
He shall be punished.（威胁）All payments shall be made in cash. (规定)8.should用法①表示责任或义务，意为“应该”、“应当”，这时它可以和ought to, be supposed to互换使用。
You should（= ought to）tell your mother about it at once.②表示有较大可能实现的猜测、推论，通常译为“可能”They should be home by now, I think.③用在suggest，propose, arrange, plan, decide, advise, order, demand, request, desire, insist 等表示“建议”、“要求”、“命令”、“决定”、“安排”、“计划”、“主张”的动词后面接的宾语从句中，要使用虚拟语气，谓语动词形式为（should）do，这里的should 也可以省略。
I suggest that you （should ）have enough rest before the exam.9.ought to用法①表示劝告或建议，意为“应该”=should。
如：You ought to be stricter with him.②表示推测，意为“可能……”，“应该……”。
He ought to be home by now.二、情态动词后跟完成式的用法1.can / could + have done在肯定句中表示“本来可以做而实际上没有做某事”，是虚拟语气；在疑问句或否定句中表示对过去行为的怀疑或不肯定, 表示推测。
You could have done better, but you didn’t try your best.He can’t have been to that town.Can he have got the book?2.may / might + have done表示对过去行为的推测。
不能用于疑问句中，没有虚拟语气的用法。
might所表示的可能性比may小。
He may not have finished the work .3.must + have done用于肯定句中，表示对过去行为的推测。
意为“一定、想必”。
其疑问、否定形式用can，can’t代替。
You must have seen the film Titanic.He must have been to Shanghai.4.should + have done①用于肯定句中，表示对过去行为的推测。
He should have finished the work by now。
②表示“本应该做而实际上没有做某事”，其否定式表示某种行为本不该发生却发生了。
可以与ought to + have done互换。
You ought to / should have helped him. (but you didn’t.)She shouldn’t have taken away my measuring tape, for I wanted to use it.5.need +have done表示“本需要做而实际上没有做某事”，其否定式表示“本来不必做而实际上做了某事”。
You needn’t have watered the flowers, for it is going to rain.考点十二非谓语动词一、动词不定式1.动词不定式作宾语①在动词want ,hope,would like,decide,wish, choose,try ,need等后常用动词不定式作宾语。
I hope to hear from you soon .②【惯用句式】think/find /feel /make it + adj + to do sthHe found it difficult to get to sleep.③stop to do sth / stop doing sthstop to do sth 停下来去做某事stop doing sth 停止正在做的事After working for a long time , He has to stop to have a rest .He was very tired , so he had to stop working.2.动词不定式作宾补①带to的不定式作宾补的动词有：ask / like /would like /teach /tell /want /help +sb +to do sth Please ask him to come quickly.②省掉to的不定式作宾补的动词有：let /make / hear /see /notice /have/watch+sb +do sth【注意】省掉to的不定式的句子变被动语态时，需要还原to .He made the baby stop crying .The baby was made to stop crying.3.动词不定式作主语①动词不定式用作句子的主语时，谓语动词用单数形式。
②常用it作形式主语，而将不定式放在句子后面。
To do sth +谓语动词+adj /n = It +谓语动词+adj / n + to do sthTo get an injection is a little painful .It is a little painful to get an injection4.动词不定式作定语动词不定式作定语放在被修饰词之后Please give me something to drink.【注意】若构成的不定式的动词为不及物动词时，其后加上相应的介词。
I want a pen to write with.5.动词不定式与疑问词连用——疑问词+ to do sth在宾语从句中，若主从句的主语一致时，宾语从句可简化为“疑问词+to do sthCan you tell me how I can get to the hospital ?Can you tell me how to get to the hospital.6.动词不定式作状语①动词不定式可作目的状语He came here to get his book.②动词不定式可作原因状语表语形容词（sorry/sad/happy/ glad /afraid/ pleased）后与动词不定式连用作原因状语He was glad to see his wife.③动词不定式可作结果状语He returned home to find his father dead.7.动词不定式作表语 be + to do sth注：动词不定式作表语可以和主语的位置互换，且常表将来。