英语语法练习

• A1Be：am、is 和 areI 使用 am，he、she 和 it 使用 is，you、we 和 they 使用 are。be 动词会根据主语变化。I am ready for class.She is from Toronto.还剩 10 题
• A1疑问句与否定句大多数疑问句和否定句使用 do、does 或 did。be 作主要动词时直接使用 be。Do you work nearby?She does not drive.还剩 10 题
• A1名词与复数可数名词复数通常加 -s，不规则名词和不可数名词使用各自的形式。There are three boxes by the door.The children are playing outside.还剩 10 题
• A1限定词与所有格限定词用于确定名词，所有格表示某物属于谁或什么。That is my passport.The keys belong to her.还剩 10 题
• A1地点与时间介词精确时间用 at，日期和星期用 on，月份、年份和封闭地点用 in。The class starts at nine.The clinic is beside the bank.还剩 10 题
• A1can、cannot 与祈使句can 后接动词原形。祈使句使用动词原形，do not 表示否定指令。You can use the side entrance.You must show your card.还剩 10 题
• A2过去与将来基础已完成的事件使用过去时，进行中的动作使用 was 或 were 加 -ing，将来事件使用 will 或 be going to。I visited the clinic yesterday.She was cooking when I called.还剩 10 题
• A2数量词与可数性many 和 few 用于可数名词，much 和 little 用于不可数名词，some 或 any 根据句意和句型选择。There is some milk in the fridge.We have only a few minutes.还剩 10 题
• A2表示建议与义务的情态动词should 表示建议，must 表示强烈义务，have to 表示外部要求。You should contact the office.You must wear a helmet.还剩 10 题
• A2关系从句关系从句描述名词。who 用于人，which 用于事物，whose 表示所属，where 用于地点。The person who called yesterday left a message.This is the form that you requested.还剩 10 题
• A2动词搭配模式有些动词后接动名词，有些后接不定式。空格前的动词或介词决定搭配形式。She enjoys reading novels.They decided to remain.还剩 10 题
• A2现在完成时的对比未结束的时间或现在的结果使用现在完成时，带 yesterday 等结束时间则使用一般过去时。I have lived in this city since June.She travelled there yesterday.还剩 10 题
• B1主谓一致动词要与真正的主语一致，而不是与最靠近它的名词一致。夹在两者之间的短语（of the tools、along with her children）不改变主语。The list of applicants is on the desk.Neither of the forms was signed.还剩 10 题
• B1句子片段与流水句一个句子需要主语和限定动词，且不能依赖缺失的从句。两个完整分句之间必须有连接词或分号，绝不能只用逗号。Because the road was closed, we took the bridge.The rain stopped, and the crews went back out.还剩 10 题
• B1修饰语错位修饰语修饰紧挨着它的成分，因此要把它放在所修饰的词旁边。only、almost 这类词的位置不同，句意完全不同。Walking to the bus stop, she noticed the broken sign.She almost spent the whole afternoon at the clinic.还剩 10 题
• B1时态选择一般现在时表示习惯与普遍事实；一般过去时表示已知时间点的已完成事件；will 表示对未来的决定。没有理由就不要换时态。She takes the 7:15 bus every weekday.They moved to Halifax in 2019.还剩 10 题
• B1现在完成时现在完成时把过去的事件与现在联系起来：时间未结束、未说明，或结果仍然重要。yesterday 这类已结束的时间词则必须用一般过去时。He has lived in Calgary since 2020.They have already filed the paperwork.还剩 10 题
• B1被动语态被动语态把动作的承受者放在前面，用 be 的某种形式加过去分词。当动作的发出者未知、显而易见或无关紧要时使用。The sidewalk is cleared by seven each morning.The forms were mailed last week.还剩 10 题
• B1比较级与最高级短形容词加 -er 和 -est；较长的用 more 和 most。两者比较用比较级，三者及以上用最高级，且绝不可两种形式同时使用。This route is busier than the old one.It is the shortest way to the ferry.还剩 10 题
• B1条件句if 从句中不用 will。现在时加 will 表示很可能的将来；过去时加 would 表示与现在事实相反；过去完成时加 would have 表示与过去事实相反。If the road is closed, we take the bridge.If it snows tonight, the crews will start at five.还剩 10 题
• B1间接引语转述过去的话通常要把动词往回推一档，并改变指向说话人此时此地的词。转述疑问句要用陈述语序。She said the office closed at four.He asked whether the form was ready.还剩 10 题
• B1代词选择代词的格由它所在的分句决定，并且必须明确指向一个名词。即使与他人姓名并列，主格仍承担主语功能。The landlord gave my roommate and me the keys.Each tenant must sign their own form.还剩 10 题
• B1并列句与复合句并列连词连接对等成分；从属连词使一个分句依附另一个，并可置于句首。however 这类连接性副词前需用分号或句号。The bus was late, so she walked.Although the shop was closed, the counter was still open.还剩 10 题
• B1将来时态形式时间表用一般现在时，安排用现在进行时，计划或迹象用 be going to，决定或预测用 will。The meeting starts at ten tomorrow.I am meeting Ana after lunch.还剩 10 题
• B1过去完成时过去完成时用 had 加过去分词，表示一个过去事件发生在另一个过去事件之前。The train had departed before we arrived.She had already eaten before the guests came.还剩 10 题
• B1表示可能性的情态动词情态动词表示不同程度的可能性：must 较强，may 和 might 表示可能，cannot 排除可能。The delay may be caused by heavy traffic.She must be in the office by now.还剩 10 题
• B1短语动词短语动词由动词和小品词组成，整体意义常常不同于单独的动词。Please look into the concern.She turned down the invitation.还剩 10 题
• B2名词性从句与嵌入疑问名词性从句承担名词的功能——主语、宾语或表语——由 that、whether 或 wh- 词引导。从句内部保持陈述语序。What the notice said surprised everyone.She asked whether the office had reopened.还剩 10 题
• B2分词短语分词短语是从句的简化形式，必须修饰其后的主语。现在分词表主动，过去分词表被动，having 加过去分词表示更早发生的动作。Built in 1908, the station still serves the line.Having filed the appeal, she waited.还剩 10 题
• B2平行结构由 and、or 或成对连词连接的成分必须语法形式一致。not only… but also 两半之后的成分也必须彼此对应。The role involves planning, drafting and reporting.She is respected not only for her skill but also for her patience.还剩 10 题
• B2悬垂修饰语句首短语必须修饰主句的主语。若句中从未点明动作的发出者，该短语就会修饰错误对象，改法是把发出者写出来。Having arrived late, we missed the opening.After reading the notice, she moved her car.还剩 10 题
• B2限定与歧义修饰语限定词限定其后的成分，因此位置决定句意。夹在两个可能被修饰成分之间的歧义修饰语必须移位。She only signed the second form.He nearly worked the whole weekend.还剩 10 题
• B2完成进行体完成进行体表示持续到某一时间点的动作，强调持续而非完成。根据所指的时间点选择助动词：has、had 或 will have。She has been waiting since noon.They had been working there for years.还剩 10 题
• B2虚拟语气在表示请求、要求、建议的动词之后，that 从句用动词原形。在与事实相反的条件句和 wish 之后，用 were 代替 was。The board asked that the clause be removed.If it were cheaper, we would take it.还剩 10 题
• B2动名词与不定式有些动词接动名词，有些接不定式，少数两者皆可但意义不同。介词之后一律用动名词。She avoided signing until she had read it.He agreed to sign the following morning.还剩 10 题
• B2状态动词与动作动词状态动词描述状态而非动作，通常不用进行体。少数几个用于进行体时意义会改变。She owns two properties.He is being unusually careful today.还剩 10 题
• B2冠词a 和 an 引出尚未确指的事物；the 指向已确指或独一无二的事物。表示泛指时，不可数名词和复数名词不加冠词。She rented an apartment near the university.Water is scarce in the region.还剩 10 题
• B2进阶主谓一致either…or 与 neither…nor 结构中，动词与较近的主语一致。数量、学科名和部分以 -s 结尾的名词用单数动词；the number 用单数，a number 用复数。Politics is rarely discussed at work.Half of the shipment was damaged in transit.还剩 10 题
• B2进阶间接引语时态后移会延伸到完成体和条件式：will 变 would，has 变 had，did 变 had done。时间和地点词也随之改变。She said she would have finished by then.He asked how long it had been closed.还剩 10 题
• B2倒装、前置与分裂句否定或限制性短语前置会引起主语与助动词倒装。分裂句把一个句子拆成两部分，以便把强调放在需要的位置。Seldom have the crews worked through a weekend.It is the parking that residents complain about.还剩 10 题
• B2混合条件句混合条件句把非真实的过去条件与现在结果，或非真实的现在条件与过去结果连接起来。If I had studied medicine, I would work in a clinic now.If she were more organised, she would have finished on time.还剩 10 题
• B2高级情态表达情态完成式可表达过去的推断、未履行的义务和可能性，如 must have、should have、could have 和 might have。The report must have been misplaced.The change could have reduced demand.还剩 10 题
• B2缩略关系从句缩略关系从句用现在分词表示主动意义，用过去分词表示被动意义。The documents submitted last week are ready.Students living nearby can commute easily.还剩 10 题
• B2名词化名词化把动词或形容词变成名词短语，使文体更正式，但句子也更密集。The committee decided to postpone the vote.The postponement of the meeting was announced.还剩 10 题
• C1语篇连接词连接词表示观点之间的关系。nevertheless 表示转折，moreover 表示补充，albeit 表示让步，insofar as 表示有限的限定。The proposal is costly; nevertheless, it may be worthwhile.The evidence is limited; moreover, it comes from one region.还剩 10 题
• C1高级从属结构从属连词表示让步、条件、限制或对比，应选择符合观点关系的连接词。Although the evidence is limited, the pattern remains useful.Whatever the result, the review will continue.还剩 10 题
• C1学术名词短语学术名词短语组合限定词、修饰语和介词短语，以紧凑地表达精确关系。The rapid expansion of the programme created pressure.A substantial reduction in costs followed.还剩 10 题
• C1语域与词语搭配正式写作依赖自然搭配的词语，以及适合读者和目的的表达选择。The committee reached a carefully considered decision.The study raises a major concern.还剩 10 题
• C2强调与限定语气倒装句和分裂句可以突出重点。may、appears 和 broadly 等限定表达可以谨慎地说明确定程度。What matters most is whether the evidence is replicable.The finding appears to be broadly consistent with earlier work.还剩 10 题
• C2细致的立场表达限定和评价语言可以表达可能性、限制和判断，避免声称证据无法支持的结论。Available evidence appears to support the conclusion.It would be premature to dismiss the proposal.还剩 10 题
• C2修辞句法倒装、分裂句和前置会改变信息结构，使最重要的观点得到强调。Not until the audit ended did the pattern become clear.So intricate was the process that few understood it.还剩 10 题
• C2歧义与文体安排修饰语和代词，使句子只有一种解释，尤其是在正式或复杂的句子中。The manager told the assistant that she should revise the draft.The updated policy applies to every staff member.还剩 10 题

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