titutions,betheyChristian,Islamivc,Buddhist,Jewish,andsoon. Thebusinessofeachday,beitsellinggoodsorshippingthem,wentquitesmoothly. 6、由连接词incase,sothat,unless,lest,forfearthat引起的状语从句中,谓语动词要用虚拟形式,即should(might,would)+动词原形,例如: Sheputablanketoverthebabyforfearthatheshouldcatchcold. 她在那个婴儿身上盖上了毯子以免他着凉。 7、ifitwerenotfor…与现在事实相反,ifithadnotbeenfor与过去事实相反,两个都相当于butfor: Ifithadnotbeenforhishelp(=butforhishelp),eeded. 8、虚拟语气用于asif(though)引起的方式状语从句和表语从句中,其动词形式与wish宾语从句的形式相同。例如:Sheoftenlaughsspontaneously,andhergoodhumorbreaksoutasbrightlyasifitwereapartofthesunshineabove.她常常发出发自内心的微笑,而且她那美好的情绪像天上一道明亮的阳光一样,常常流露出来。 Theytalkedasiftheyhadbeenfriendsforyears. 他们交谈着,就好像他们是我年的老朋友一样。 9、其它各种句型,asthough,suppose,hadrather,supposing,ifonly等等 IfIwereinamovie,thenitwouldbeabouttimethatIburiedmyheadinmyhandsforacry.