新概念英语第一册Lesson1718.ppt

Revision 可数名词单数形式变复数的变化规则 1.一般直接加s book (s) ; boy (s) 2.以“ s,x,sh,ch” 结尾，加es bus→buses；box →boxes brush→brushes；watch →watches 3. 以o结尾，加s，特殊：黑人英雄爱吃西红柿和土豆 Negroes, heroes, tomatoes, potatoes 4. 以辅音字母+y结尾，变y为i再加es family-families 5. 以元音字母加y结尾，或专有名词以y结尾的，加sboy-boys; Henry-Henrys6. 以f, fe 结尾，变f, fe为v再加esleaf-leaves, knife-knives;7. 不规则变化foot-feet goose-geese tooth–teeth man-men woman-women child-children ox-oxen fish sheep deer Chinese Japanese不规则变化要特别记，oo常常变ee，foot-feet是一例；男人、女人a改e，woman-women是一例；child 复数children，中、日、鹿、绵羊无变化，单数、复数是一家 8、合成名词，将主体词变为复数形式passer-by passers-by sister-in-law sisters-in-law9、由man和woman构成的合成名词，两个构成部分都要变成复数man worker —— men workerswoman doctor —— women doctors10、有些名词只有单数形式advice（劝告，忠告）luggage（行李）11、有些名词只有复数形式clothes, goods, scissors, pants, trousers 二.单数句变复数句 1.变化规则 this –these that –those is –are 名词单数变复数 2. eg: This is a book. That is an umbrella. Lesson18 What are their jobs? Numbers:100 one hundred300 three hundred1000 one thousand5000 five thousand1003 one thousand and threehundreds of 成百上千thousands of 成千上万 Are they mechanics or sales reps? How do you do? MR. JACKSON: Come and meet our employees, Mr. Richards. MR. RICHARDS: Thank you, Mr. Jackson. MR. JACKSON: This is Nicola Grey, and this is Claire Taylor. MR. RICHARDS: How do you do? MR. RICHARDS: Those women are very hard-working. What are their jobs? MR. JACKSON: Theyre keyboard operators. Unit 17 MR. Jackson: This is Michael Baker, 　　 and this is Jeremy Short. MR. RICHARDS: How do you do? They arent very busy! 　　 What are their jobs? MR. JACKSON: Theyre sales reps. Theyre very lazy. MR. RICHARDS: Who is this young man? MR. JACKSON: This is Jim. Hes our office assistant. Come and meet our employees. 祈使句：用来表示建议，命令，叮嘱等。没有主语。 This is Nicola Grey. 介绍别人时： This is ... 自我介绍时： My name is ... How do you do? 用于正式的场合，第一次见面 回答：How do yo