條件狀語從句常用引導(dǎo)詞：if,unless,特殊引導(dǎo)詞：as/so long as,only if,providing/provided that,suppose that,in case that,on condition that We’ll start our project if the president agrees.You will certainly succeed so long as you keep on trying.Provided that there is no opposition,we shall hold the meeting here.讓步狀語從句常用引導(dǎo)詞：though,although,even if,even though 特殊引導(dǎo)詞：as(用在讓步狀語從句中必須要倒裝),while ( 一般用在句首 ),no matter …,in spite of the fact that,while,whatever,whoever,wherever,whenever,however,whichever Much as I respect him,I can’t agree to his proposal.盡管我很尊敬他,我卻不同意他的建議.The old man always enjoys swimming even though the weather is rough.No matter how hard he tried,she could not change her mind.He won’t listen whatever you may say.