1.If+主語+動詞原形，主語+will/shall+動詞原形.如果...，主語將會...例句：Ifyoustudyhard,youwillpasstheexam.如果你努力學習，你將會通過考試。2.Unless+主語+動詞原形，主語+will/shall+動詞原形.除非...，否則主語將會...例句：Unlessyouworkhard,youwillnotsucceed.除非你努力工作，否則你將不會成功。3.Provided/providing(that)+主語+動詞原形，主語+will/shall+動詞原形.只要...，主語就會...例句：Providedthatyoufinishyourworkontime,youcangooutwithyourfriends.只要你按時完成工作，你就可以和朋友出去。4.Incase+主語+動詞原形，主語+will/shall+動詞原形.萬一...，主語將會...例句：Incaseitrains,wewillstayathome.萬一下雨了，我們會待在家里。5.Suppose/supposing+主語+動詞原形，主語+will/shall+動詞原形.假設...，主語將會...例句：Supposeyouwinthelottery,whatwillyoudo?假設你中了彩票，你會做什么？6.Aslongas+主語+動詞原形，主語+will/shall+動詞原形.只要...，主語就會...例句：Aslongasyoukeeppracticing,youwillbecomebetteratplayingthepiano.只要你不停地練習，你就會越來越擅長彈鋼琴。7.Evenif/Though+主語+動詞原形，主語+will/shall+動詞原形.即使...，主語也會...例句：Evenifitisdifficult,youshouldnevergiveup.即使很難，你也不應該放棄。8.Intheeventthat+主語+動詞原形，主語+will/shall+動詞原形.萬一...，主語將會...例句：Intheeventthattheflightisdelayed,wewillstayatthehotel.萬一航班延誤了，我們會住在酒店。9.Onconditionthat+主語+動詞原形，主語+will/shall+動詞原形.只要...，主語就會...例句：Onconditionthatyoufinishyourhomework,youcanwatchTV.只要你完成了作業(yè)，你就可以看電視。10.Assumingthat+主語+動詞原形，主語+will/shall+動詞原形.假設...，主語將會...例句：Assumingthattheweatherisgood,wewillgoforapicnic.假設天氣好，我們會去野餐。11.Assoonas+主語+動詞原形，主語+will/shall+動詞原形.一旦...，主語就會...例句：Assoonashefinisheshiswork,hewillgotobed.一旦他完成工作，他就會去睡覺。12.Onlyif+主語+動詞原形，主語+will/shall+動詞原形.只有...，主語才會...例句：Onlyifyouhaveaticket,youcanenterthetheater.只有你有票，你才能進入劇院。13.Intheconditionthat+主語+動詞原形，主語+will/shall+動詞原形.在...的情況下，主語將會...例句：Intheconditionthatyoucomeearly,youcanhavebreakfastwithme.在你早來的情況下，你可以和我一起吃早餐。14.Ontheunderstandingthat+主語+動詞原形，主語+will/shall+動詞原形.在...的前提下，主語將會...例句：Ontheunderstandingthatyoudon'ttellanyone,Iwillsharemysecretwithyou.在你不告訴任何人的前提下，我會和你分享我的秘密。15.Intheeventof+主語+動詞原形，主語+will/shall+動詞原形.如果...，主語將會...例句：Intheeventofafire,weshouldevacuatethebuildingimmediately.如果發(fā)生火災，我們應該立即疏散。16.Giventhat+主語+動詞原形，主語+will/shall+動詞原形.鑒于...，主語將會...例句：Giventhatthetrafficisheavy,weshouldleaveearly.鑒于交通擁擠，我們應該早點出發(fā)。17.Provided/providing(that)+主語+動詞原形，主語+would/should+動詞原形.只要...，主語就會...例句：Providingthatyouarriveontime,wewouldstartthemeeting.只要你按時到達，我們就會開始會議。18.Unless+主語+動詞原形，主語+would/should+動詞原形.除非...，否則主語將會...例句：Unlessyouapologize,shewouldnotforgiveyou.除非你道歉，否則她不會原諒你。19.Incase+主語+動詞原形，主語+would/should+動詞原形.萬一...，主語將會...例句：Incaseofanemergency,youshouldcall911.萬一有緊急情況，你應該撥打911。20.Suppose/supposing+主語+動詞原形，主語+would/should+動詞原形.假設...，主語將會...例句：Supposeyoumissthelasttrain,whatwouldyoudo?假設你錯過了最21.Aslongas+主語+動詞原形，主語+would/should+動詞原形.只要...，主語就會...例句：Aslongasyoufollowtherules,youshouldbefine.只要你遵守規(guī)則，你應該會沒事的。22.Withtheconditionthat+主語+動詞原形，主語+would/should+動詞原形.在...的條件下，主語將會...例句：Withtheconditionthatyoufinishyourhomework,youcangoouttoplay.在你完成作業(yè)的條件下，你可以出去玩。23.Supposingthat+主語+動詞原形，主語+would/should+動詞原形.假設...，主語將會...例句：Supposingthatyouwinthelottery,whatwouldyoudo?假設你中了彩票，你會怎么做？24.Inorderthat+主語+動詞原形，主語+would/should+動詞原形.為了...，主語將會...例句：Inorderthatshecanconcentrate,weshouldturnofftheTV.為了讓她能夠集中注意力，我們應該關掉電視。25.Ontheconditionthat+主語+動詞原形，主語+would/should+動詞原形.在...的條件下，主語將會...例句：Ontheconditionthatyoupromisetobecareful,Iwilllendyoumycar.在你答應小心的條件下，我會借給你我的車。26.Solongas+主語+動詞原形，主語+would/should+動詞原形.只要...，主語就會...例句：Solongasyoukeepquiet,wecanhearthespeakerclearly.只要你保持安靜，我們就可以清楚地聽到演講者。27.Ifonly+主語+動詞原形，主語+would/should+動詞原形.如果...，主語將會...例句：IfonlyIhadmoretime,Iwouldreadmorebooks.如果我有更多時間，我就會讀更多的書。28.As/Sofaras+主語+動詞原形，主語+would/should+動詞原形.就...而言，主語將會...例句：AsfarasIknow,hewouldnotcometotheparty.就我所知，他不會來參加聚會。29.Grantedthat+主語+動詞原形，主語+would/should+動詞原形.即使...，主語也將會...例句：Grante