【正文】 They each不等于each of …, each of 這個詞組作主語謂語用單數(shù)如each of the students hands in their homework，而they each作主語，謂語要隨each前面的詞來變化。works形式上是復數(shù)，意思上是單數(shù)，因此謂語動詞用單數(shù)，類似的還有news, maths, politics, physics.　例They each _______　語法上一致?。?）、以單數(shù)名詞或代詞，動詞不定式短語、動名詞短語或從句作主語時，謂語動詞要用單數(shù)，主語為復數(shù)時，謂語用復數(shù)，如，　To work hard is necessary for a student.　（2）、用and或both……and連接的并列主語，謂語動詞用復數(shù)，如，　Both he and I are right.　但并列主語如果指的是同一人，同一事物或同一概念，謂語動詞用單數(shù)，如, His teacher and friend is a beautiful girl.?。?）、主語是單數(shù)時，盡管后面跟有as well as, but ,except, besides, with ,along with, together with, like等，謂語動詞仍用單數(shù)，如，　The teacher as well as his students is excited.?。?）、某些不定代詞，如做主語，謂語動詞要用單數(shù)，如:Everyone has a book.　（5）、一些只有復數(shù)形式的名詞，如people, cattle, clothes等作主語時，謂語動詞要用復數(shù)，如，A lot of people are dancing outside.　意義上一致?。?）、表時間、距離、價格、度量衡等的名詞作主語時，謂語動詞通常用單數(shù)，如，　Twenty years is not a long time.?。?）、表示總稱意義的名詞public, police, cattle, clothes等作主語時，謂語動詞用復數(shù)，如， 　People are talking about the accident.　（3）、有些集合名詞，如family, team等作主語，如作為一個整體看待，謂語動詞用單數(shù)，如指其中每個成員，則用復數(shù)，如，　My family is a big one.　My family are watching TV.　鄰近一致　用連詞or, either……or, neither……nor, whether……or, not only…but also,等連接的并列主語，如果一個是單數(shù)，一個是復數(shù)，則謂語動詞按就近一致原則，與最靠近它的主語一致，如，　Either you or I am mad.II．例題　例 The chemical works _______　例3， ____a long time since I saw you last time.　A．It was 　B. It is 　C. It had been 　D. It can be 　解析：該題答案為B，It is +時間數(shù)+ since引導的從句是一個句型，意為從…時候以來過了多久了?！±齌he way _______ I accept the gift or refuse it is none of your business.　A. If 　B. Whether 　C. Even if 　D. No matter when　解析：該題答案為B。狀語從句可分為時間狀語、地點狀語、原因狀語、目的狀語、結(jié)果狀語、條件狀語、行為方式狀語、比較狀語、讓步狀語等多種。ll read all the books (that) you lend me.　c. 先行詞被序數(shù)詞或形容詞最高級修飾時，　This is the first letter (that) the boy has written.　d. 先行詞被the only, the very, the same, the last修飾時，如　He is the very man (that) I39?！。?）that指物時一般可與which互換，但在下列情況下，要用that而不用which。t know how to solve the problem.　Do you know where he lives??。?）表語從句　The problem is who can help me.　This is why I came here.?。?）同位語從句　I have no idea where he went.　I heard the news that he would e.　同位語從句用that引導，常跟在fact, idea, news, promise, thought, message, hope, belief, doubt等詞后，that在從句中不作任何成分?！?名詞性從句?。?） 主語從句　What he wants is a piece of paper.　It is believed that he can solve the problem.　注：主語從句的謂語動詞用單數(shù)。t he 　B. does he 　C. do they 　D. has he　解析：該題答案為B，hardly否定副詞，反問部分要用肯定形式。s…后加上shall we來表語氣婉轉(zhuǎn)、客氣，而在let us后加上will you。s go out for a walk, _______ ?　A. will you 　B. won39。t, can, can39。t forget to post the letter, _______ ?　A. will you 　B. do you 　C. won39。t believe he does that, does he?　感嘆句　用what或how, 　What a beautiful park it is.　How beautiful a park it is.　How beautiful the park is.　How we worked!　祈使句　Take care!　Don39。t there??。?） 陳述部分是含有賓語從句的主從復合句時，反問部分的主語和謂語應和主句保持一致，如: He never told others what he thought, did he?　但，如果是I think , I believe等 +賓語從句時，反問部分須和從句的動詞保持一致，如，I don39。t) you??。?） 陳述部分是there + be結(jié)構(gòu)時，反問部分用there，如:There39。t they??。?） 陳述部分包括used to 時，反問部分可有兩種形式，如: You used to get up early, usedn39。t leave, need we? We don39。　陳述句的否定?。?） 在含有賓語從句的主從復合句中，當主句的謂語動詞是think, expect, believe, suppose, guess, fancy, imagine等，且主句主語是第一人稱時，賓語從句謂語的否定習慣上要移到主句謂語上，如: I don39?！±?，When he was very old, Mr. Smith _______t dare 　B. not dared 　C. not dare 　D. dared not　解析，該題答案為A， 此空需選一動詞作謂語，因為后面是to walk, didn39。t have cleaned the classroom, because he didn39。t, 不太肯定用may, might　He must be in the office now.　He must have gone to bed, for the light is out.　He can39。t work harder.　should表應該，意為有責任，有義務。Need I go now? Yes, you must./No, you needn39。t./ No, you don39。You may go.　（2）、（現(xiàn)在和將來）可能，也許，只用于肯定句和否定句中，如He may not be right.　must, have to　must表主觀上的必須，have to表客