I 名词复数的规则变化
1.一般在名词词尾加-s。如:
pear---pears hamburger---hamburgers desk---desks tree---trees 2.以字母-s, -sh, -ch, -x结尾的名词,词尾加-es。如: class---classes dish---dishes watch---watches box---boxes 3.以字母-o结尾的某些名词,词尾加-es。如:
potato---potatoes tomato---tomatoes Negro---Negroes hero---heroes 4.以辅音字母加-y结尾的名词,将-y变为-i,再加-es。如: family---families dictionary---dictionaries city---cities country---countries 5.以字母-f或-fe结尾的名词,将-f或-fe变为-v,再加-es。如: half---halves leaf---leaves thief---thieves knife---knives self---selves wife---wives life---lives wolf---wolves shelf---shelves loaf---loaves 但是:
scarf---scarves(fes) roof---roofs serf---serfs gulf---gulfs chief---chiefs proof---proofs belief---beliefs II 名词复数的不规则变化 1.将-oo改为--ee。如:
foot---feet tooth---teeth 2.将-man改为-men。如:
man---men woman---women policeman---policemen postman---postmen 3.添加词尾。如: child---children 4.单复数同形。如:
sheep---sheep deer---deer fish---fish people---people 5.表示“某国人”的单、复数变化。
即“中日瑞不变英法变,其它国把-s加后面”。如:
Chinese---Chinese Japanese---Japanese Swiss---Swiss Englishman---Englishmen Frenchman---Frenchmen American---Americans Australian---Australians Canadian---Canadians Korean---Koreans Russian---Russians Indian---Indians 6.其它。如: mouse---mice
apple tree---apple trees
man teacher---men teachers
with的几个用法
1.with表“和、同、与”。如:
Can you go to the park with me? 你能和我一起去公园吗? 2.with表“用、以、被”。如:
Don't write with the red pen. 不要用那支红色的钢笔写字。 3.with表“随着”。如:
Climate varies with the time of the year.气候随着时令的不同而不同。 4.with表“带有、有......的”。如:
The girl with long hair is my classmate. 长头发的女孩是我的同学。 5.with表“因为、由于”。如:
They were angry with hard work. 他们因为艰难的工作而生气。
6.一些with结构:
play with 与......一起玩
be angry with 对......生气 talk with 与......交谈
get on well with与......相处融洽
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