Askingforinformationorhelp主语(动名词做主语)
is谓语
averycommonandnecessaryactivity表语
谢谢,我再来几句哟.It'simportanttousecorrectlanguage,butsometimesthisaloneisnotenough—weneedtolearnhowtobepolitewhenwemakerequests.多谢多谢
It形式主语is谓语important表语tousecorrectlanguage真正主语but转折连词sometimes时间状语thisalone主语isnot谓语enough表语we主语needtolearn谓语howtobepolite宾语whenwemakerequests状语从句