表原因的句型：

　　1Thereasonwhy.isthat.

　　2Onemaythinkofthechangeasaresultof.

　　3Thisbringsouttheimportantfactthat.

　　4Thereareseveralcausesforthissignificantgrowth

　　表结论的句型：

　　1Thereisnodoubtthatattentionmustbepaidto.

　　2Obviously/Apparently,ifwewantto.,itisnecessary...

　　3Fromwhathasbeendiscussedabove,wecandrewtheconclusionthat.

　　书信类英语作文常用句型怎么写

　　A

　　(1)Myappreciationtoyouforyourgeneroushelpisbeyondwords.

　　(2)WordsfailmewhenIwanttoexpressmysinceregratitudetoyou.

　　(3)Itakethisopportunitytoshowmyheartfeltappreciationforthekindassistanceyourenderedme.

　　B期待回信

　　(1)Iamlookingforwardtoyourreply/hearingfromyousoon

　　(2)Ilookforwardtoafavorablereplyatyourearliestconvenience.

　　(3)Yourpromptattentiontomyinquirywouldbehighlyappreciated.

　　C客套语【=听-力——课_^堂^_网汇总书信类英语作文常用句型】：一.问候

　　Ihaven’tseenyouforsuchalongtime.Howareyougettingalongwithyourwork二.祝贺

　　Iwanttocongratulateyouwithallmyheart.Iwarmlycongratulateyouonwhatyou’veachieved.

　　三.致谢

　　Iammostgratefultoyouforyourhelp.Iwanttothankyouheartilyforwhatyouhavedone.

　　四.询问

　　Iwonderifyoucouldtellmewhattodo.I’dbemostgratefulifIcouldhaveyourfullsupport.Pleasecouldyouletmeknowsomethingaboutit.

　　五.邀请

　　Isthereanychanceofyourcomingtohavedinnerwithusatourhome?Wearewonderingifyoucouldcometohavedinnerwithusatourhome.

　　六.接受邀请

　　I’mdelightedtoacceptyourinvitation.Thanksforyourinvitation.I’mcertainlylookingforwardtojoiningyou.Ihaven’theardfromyouforages.Howareyoudoing?

　　七.拒绝邀请

　　I’msincerelysorrythatwecan’tjoinyourdinnerparty.Iregrettosay“no”toyourinvitation.Thankyouforyourinvitationbutunfortunately…

　　八.抱歉

　　Idoapologizeforhavingkeptyouwaiting.I’mawfullysorryforgivingyousomuchtrouble.

　　九.同情

　　I’mmorethansorrytohearofyourillness.Ican’ttellyouhowsadIfeltwhenIheardof…

　　十.安慰

　　Itwasagreatshocktohear…Ijustcan’ttellyouhowsaddenedIam…