第1講時(shí)態(tài)重點(diǎn)句型1.It/Thisisthefirsttimethatsb. hasdone.這是某人第一次做某事It/Thiswasthefirsttimethatsb. haddone.這是某人第一次做某事Itisthefirsttimethathehasperformedonsuchabigstage.這是他第一次在如此大的舞臺上表演。Itwasthethirdtimethathehadbeenoutofworkthatyear.這是他那一年第三次失業(yè)。2.Itis/hasbeen.sincesb. didsth. 自從某人過去做某事以來已經(jīng) (since后接過去時(shí))sb. hasdone sth. since/ever since/sincethenIhaveknownhimeversinceIwasachild.我自孩提時(shí)代起就已經(jīng)認(rèn)識他了。Mycomputerbrokedownandmyessayhasbeenleftunfinishedsince.我的電腦壞了，我的文章至今還沒有寫完。Ivebeenonthegoeversinceeightoclockthismorning.我從早晨八點(diǎn)鐘起就一直忙個不停。3.It/Thisisthebest (worst，mostinteresting等) thatsb. hasdonesth. ItisthemostinterestingbookthatIhaveeverread.這是我讀過的最有趣的一本書。4.Itwontbelongbeforesb. doessth. 不久之后某人將會(before引導(dǎo)的時(shí)間狀語從句中用一般現(xiàn)在時(shí)代替一般將來時(shí))Itwontbelongbeforeweseeeachotheragain.我們不久之后就會見面了。5.Bythetimesb. doessth. ，sb. willhavedone到時(shí)為止時(shí)，某人將已經(jīng)做了(bythetime引導(dǎo)的時(shí)間狀語從句中用一般現(xiàn)在時(shí)代替一般將來時(shí))BythetimeIgraduatenextyear，Iwillhavelivedherefor5years.到明年畢業(yè)時(shí)，我就在這里待了五年了。Iwillhavesavedupto$5,000bythetimethenewtermbeginsinSeptember.到九月份新學(xué)期開始時(shí)，我就能省下5000美元了。6.“for一段時(shí)間”常與現(xiàn)在完成時(shí)連用，但也可以和其他時(shí)態(tài)連用。Jackdoesntsmokenow，buthesmokedforalmosttwentyyears.杰克現(xiàn)在不抽煙了，但是他過去曾抽煙抽了將近20年。Haveyouheardabouttherecentelection?Sure，ithasbeentheonlythingonthenewsforthelastthreedays.你聽說最近的選舉沒有？當(dāng)然，這是最近三天唯一的新聞事件。Guesswhat？ImetMarkattheparty.Ifmymemoryservesmecorrectly，youtwohadntseeneachotherforalmosttenyears.你猜怎么著？我在聚會上遇到了邁克。如果我沒記錯的話，你們倆差不多10年沒見面了。Heplayedfootballformanyyearswhenhewasyoung.年輕的時(shí)候，他踢了很多年足球。Peter，wheredidyouguysgoforthesummervacation?Wehadbeenbusywithourworkformonths，sowewenttothebeachtorelaxourselves.彼得，你們暑假去哪里了？我們幾個月來一直忙于工作，所以我們就去了海灘放松一下。7.hardly/scarcely.when.，nosooner.than.句型結(jié)構(gòu)中，主句用過去完成時(shí)，從句用一般過去時(shí)，意為“一就”。HardlyhadIgothomewhentherainpoureddown.我剛到家大雨就傾盆而下。8.bedoing.when.正在做這時(shí)beabouttodo.when.正要做此時(shí)hadjustdone.when.剛做了這時(shí)beonthepointofdoing.when.正要做這時(shí)Iwasthinkingaboutmynewplanwhenagoodideaoccurredtome.我正在考慮我的新計(jì)劃，這時(shí)一個好主意浮現(xiàn)出來。Theywerejustabouttosetoutwhenitbegantorain.他們正要出發(fā)，這時(shí)下起雨來了。Ihadjustlaindownwhenthetelephonerang.我剛躺下，這時(shí)電話鈴響了。Iwasonthepointofgivingupthesearchwhensomethingcaughtmyeyeinthebushes.我正要放棄搜索時(shí)突然注意到灌木叢中有什么東西。3