一,英语作文书信格式:1,最上面顶格写你要把信写给谁。2,第二段写你要对这个朋友要说的话。3,写完后最后的一行写上你自己的名字。二,范文:DearMike,IamgladtointroducemyfamilytoMyfamilyisawarmandhappyThereare5peopleinmyfamily,mygrandpa,mygrandma,myfather,mymotherandIMygrandparentsarebothteachers,theyarestillteachinginaGrandpaisformaths,andGrandmaisforEnglish,sometimestheirstudentscometoourhometosendtheirgreetingstoMyfatherisworkinginanAmericanfactory,heisveryEveryeveningheisdoinghisworkintheAtweekendhealwaysgoestofactoryforhisMymotherisaHerhospitalisnearmyIamastudentinJuniorhighIhopeyouwillintroduceyourfamilytomeyourssincerelyTom