Unit 3 Language in use1.肯定句:主语肯定句:主语+be(am,is,are)+其它。其它。2.否定句:主语否定句:主语+be+not+其它。其它。3.一般疑问句:一般疑问句:Be+主语主语+其它?其它?4.特殊疑问句:疑问词特殊疑问句:疑问词+一般疑问句?一般疑问句?This is Sam.He is twelve.Hes from England.Hes in Class 1.This is Emma.She is thirteen.Shes from America.Shes in Class 4.This is Xu Kexin.She is thirteen.Shes from China.Shes in Class 3.Japan JapaneseRussia RussianAustraliaAustralianCanadaCanadianChinese name Yang LiweiFamily name Given name English name Bill Gates Family name Given nameWork in pairs.Introduce yourself.Ask and answer.