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1、Unexplained Mysteries of the Natural World,Module 6,必修 4,1,1. He claims to have seen a round black creature moving quickly through the water. 他聲稱看到一個圓形的黑色動物在水中快速游動。,重點句型,2,2. It is 2,189 metres high and covers an area of about ten square kilometres. 它海拔2,189米，占地約10平方公里。 3. There have been reports of

2、 monsters in Lake Tianchi since the beginning of the last century… 自上世紀初以來，一直就有關(guān)于天池怪物的報道……,重點句型,3,1. He claims to have seen a round black creature moving quickly through the water. 他聲稱看到一個圓形的黑色動物在水中快速游動。 to have done是不定式的完成式,主要有兩種用法： ①不定式所表示的動作發(fā)生在謂語動作或狀態(tài) 之前。 ②表示過去未能實現(xiàn)的愿望、打算、計劃等。 常用形式為：wanted, planne

3、d, hoped, intended, meant, to have done。,句型探究,4,Doctors claimed to have discovered a cure for the disease. 醫(yī)生聲稱已找到了該疾病的療法。 He pretended to have done his homework. 他假裝已經(jīng)完成了作業(yè)。 I wanted to have picked you up at the airport yesterday, but I was too busy. 昨天我本打算去機場接你,可我太忙了。,句型探究,5,2. There have been rep

4、orts of monsters in Lake Tianchi since the beginning of the last century… 自上世紀初以來，一直就有關(guān)于天池怪物的報道…… There be 句型表示“存在，有”，主語是be后的名詞，there 為引導(dǎo)詞。 ①There be 句式中的謂語動詞用單數(shù)還是復(fù)數(shù)取決于它后面緊跟的名詞。 There is a cup, a book and two pens on the table. 桌上有一個杯子、一本書和兩支筆。,句型探究,6,②There be 句式可以用情態(tài)動詞，be也可以有各種時態(tài)。 There may be a good wheat crop this year. 今年小麥可能會有一個好收成。 There hasnt been any rain for some days. 幾天來一直未下雨。 There be 結(jié)構(gòu)除可用be外，還可以與其他表示存在、狀態(tài)等意義的動詞，如lie, stand, exist, live, seem等連用。 There existed different opinions on this question. 在這個問題上存在著不同看法。,句型探究,7,