2、two音标：英[tu?]美[tu] 。3、three音标：英[θri?]美[θri] 。
4、four音标：英[f??] 。5、five音标：英[fa?v] 。
6、six音标：英[s?ks]美[s?ks] 。7、seven音标：英['sev（?）n]美['s?vn] 。
8、eight音标：英[e?t]美[et] 。9、nine音标：英[na?n]美[na?n] 。
10、ten音标：英[ten]美[t?n] 。11、eleven音标：英[?'lev（?）n]美[?'l?vn] 。
12、twelve音标：英[twelv]美[tw?lv] 。13、thirteen音标：英[θ??'ti?n；'θ??ti?n]美['θ?'tin] 。
14、fourteen音标：英[f??'ti?n;'f??ti?n]美[，f?r'tin] 。15、fifteen音标：英[f?f'ti?n;'f?fti?n]美[，f?f'tin] 。
16、sixteen音标：英[s?ks'ti?n;'s?ksti?n]美[，s?ks'tin] 。17、seventeen音标：英[sev（?）n'ti?n;'sev（?）nti?n]美[，s?vn'tin] 。
18、eighteen音标：英[e?'ti?n;'e?ti?n]美[，e'tin] 。19、nineteen音标：英[na?n'ti?n;'na?nti?n]美[，na?n'tin] 。
20、twenty音标：英['twent?]美['tw?nti] 。二、英语的复数形式有两种：规则变化和不规则变化规则变化有如下两种情况：1、直接在词尾加s 2、在词尾加es ，具体包括（1）ch,sh,s,x结尾的单词（2）以“辅音字母+o”结尾的单词（3）以“辅音字母+y”结尾的将y变成i后再加es (4)词以f,fe结尾的先将f,fe变成v后再加es 。
5. 数字1到100用英文怎么写 0 nought;zero;O1 one2 two3 three4 four5 five6 six7 seven8 eight9 nine10 ten11 eleven12 twelve13 thirteen14 fourteen15 fifteen16 sixteen17 seventeen18 eighteen19 nineteen20 twenty21 twenty-one22 twenty-two23 twenty-three30 thirty32 thirty-two40 forty50 fifty60 sixty70 seventy80 eighty90 ninety100 one hundred101 one hundred and one156 one hundred and fifty-six192 one hundred and ninty-two200 two hundred300 three hundred400 four hundred500 five hundred600 six hundred700 seven hundred800 eight hundred900 nine hundred1,000 one thousand1,001 one thousand and one1,300 thirteen hundred;one thousand and three hundred2,000 two thousand2,034 two thousand and thirty-four6,502 six thousand five hundred and two38,000 thirty-eight thousand45,672 forty-five thousand six hundred and seventy-two500,000 five hundred thousand1,000,000 one million3,123,400 three million,one hundred and twenty-three thousand and four hundred8,000,000 eight million47,000,000 forty-seven million900,000,000 nine hundred million1,000,000,000 a milliard,one milliard（美作：a billion,one billion）1,050,000,000 one billion and fifty million10,000,000,000 ten billion200,000,000,000 two hundred billion1,000,000,000,000 a billion,one billion（美作：a trillion,one trillion）6,000,000,000,000 six million million 。