主 谓 一 致 一.语法一致 二.就近原则 三.意义一致 1 语法一致 主语和谓语动词在单复数形式上的一致: Both boys have their own toys. Each girl has her own book. Much effort is wasted. 2 就近原则 1. 由or, nor, not only…but also, neither…nor, either…or, not…but连接的并列主语 Either my brother or I ____ am (be) likely to come. were (be) Neither the coach nor the players _____ confident of victory. Not only the switches but also the old wiring _____ has (have) been changed. _____ Am (be) I or you to blame? 3 2. 当主语后面有with, along with, together with, as well as, in addition to, besides, except, but, rather than, 等所引导的词组时, 动词取决于主语本身 His brother rather than his parents ____ is (be) to blame for the accident. The manager with some workers was working (work) this time yesterday. ______________ 4 3. 定语从句,强调句,存在句中的主谓一致 1)定语从句中的动词由先行词决定 These buildings which _____________ are being built (build) now will be our new teaching building. turn (turn) to the I am one of those people who ____ center for help. He is the only one of those boys who ____ is (be) willing to do this job. 2)强调句中的主谓一致 am (be) to blame. It is I who ____ 3)存在句中的主谓一致,遵循就近原则 5 is (be) a book and two pens on the desk. There ____ 意义一致 1. 由and / both…and连接的主语 2. 集合名词做主语 3. 数量词做主语 4. 以-s结尾的名词做主语 5. 以名词性分句做主语 6 1. 由and / both…and连接的主语, 谓语动词用复数 have gone (go) Both Pauline and her son Bob __________ fishing in Canada already. * 并列主语表示单数意义,动词用单数 Bread and butter _______ (be) a good breakfast. is The professor and scholar ___________ is coming (come) to give a lecture tomorrow. 7 * 当and连接的名词带有no, each, every, many a 等, 动词用单数 Every boy and every girl ______ has (have) to finish the work before 5 o’clock. Many a man and many a woman in this community ________ finds (find) himself or herself in need. 8 2. 集合名词做主语 family, class, team, staff, crew, audience, committee + 单数/复数 is living (live) in Shanghai now. My family ___________ My family ___________ are taking (take) separate vacations now. 9 3. 数量词做主语 1) 看作整体用单数 Sixty-five dollars ______ is (be) not too much to her. Six months ______ (be) too short a time. is 2) 分数/百分数 + of + 名词, 动词由名词类别决定 has been explored Two-thirds of the swampland ________________ (explore) since then. are (be) women. Thirty-five percent of the doctors ___ 10 3) a pair / kind / sort / type / form + of + 名词, 动 词由这些词本身决定 This kind of books _______ sells (sell) well. sell (sell) well. All kinds of books _______ Two pairs of jeans were bought from that shop. A pair of jeans was bought from that shop. 11 4) many a + 名词单数, more than one +名词单数 意义为复数, 动词为单数 has (have) done his duty. Many a man _______ was (be) lost. More than one game ______ 5) a great/good/large number of +名词复数, 动词 用复数, the number of +名词复数, 动词用单数 A large number of doctors ______ are (be) devoted to their career. is (be) The number of the devoted doctors ______ large. 12 6) the + adj. 表示一类人, 用复数; 表示一类事物, 用单数 The rich don’t understand the difficult life the poor have. The beautiful is what most people want to gain. 13 4. 以-s结尾的名词做主语 1) 以-ics结尾的学科如: physics, mathematics, politics, statistics, economics, 动词用单数 is Physics ______ (be) an important subject in middle school. is Mathematics _______ (be) the study of numbers. 14 2)以-s结尾的单复数同形的名词如: means, series, species, works, 动词取决于名词用作单数还是复 数 The only means to achieve success ____ is (be) to appeal to arms. All means _______________ have been tried (try) out to increase agricultural production. A series of pre-recorded tapes ________________ has been prepared (prepare) for language lab use. There _____ are (be) two series of readers. A new species of mammals _____________ has been found (find). Altogether, about 450 species of flatfish __________ are known (know). 15 6. 以名词性分句做主语 1)名词性分句wh-分句, 动词用单数 What caused the accident _____ was (be) a complete mystery. Whether he is coming __________________ has not been decided (not decide). is (be) still unknown. Why she is absent ____ 2) 以非谓语做主语,如果是不定式和动名词做主 语,动词用单数 Increasing their wages has raised the crew’s 16 courage.