經(jīng)典句型一 it 強調(diào)句型
強調(diào)句型的基本構(gòu)成：
It is /was 被強調(diào)部分 who/that 剩余部分(不論強調(diào)的是哪一部分，后面只能用who或that)
原句的謂語動詞如果是現(xiàn)在或?qū)頃r態(tài)用It is....that /who 。
如果原句的謂語動詞是過去時態(tài)，則用It was .....that /who 。
強調(diào)時間，地點，原因或方式時不能用when ， where ， why ， 或how ，必須用that .
經(jīng)典句型二 There be 句型 表示“什么地方有.....”
There be 之后如有幾個并列主語時，用單數(shù)謂語動詞或用復(fù)數(shù)謂語動詞要取決于第一個主語是單數(shù)還是復(fù)數(shù)。
There is a pen ， a pencil and two books on the desk .(就近原則)
There will be an important conference named The Earth Summit to be held here .
There have been great changes in my hometown ever since 1980s .
There must be something wrong with the cellphone.
There be 句型的其他用法。
There be 句型也可以有其他形式變化，常見的有seem to be ， happen to be ， appear to be ， used to be ， is likely to be 等。
There seems / appears to be much hope of our team winning the match .我們隊似乎很有希望贏得比賽。
There are likely to be more difficulties than expected while carrying out the experiment .
在實驗過程中，可能會有比預(yù)計的要多得多的困難。
The thief broke in ， to his delight ， there happened to be nobody in the room .
小偷破門而入，令他驚喜的是，恰巧房間里面沒有人。
There be 句型中的be 動詞，也可以替換成其他動詞，常見的有l(wèi)ive ， remain ， come ， stand ， lie ， occur ， exist ， follow 等。
Once there lived many dinosaurs here millions and millions of years ago .
There stand many skyscrapers (摩天大樓)in the modern city .
There lies a railway in our city .
There came a time when ，ost of people demanded for freedom and equality .
There exist serious issues in the world and we should take action to solve them before it is too late .
There be 句型的獨立主格形式作狀語
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