考博英语常用it 作形式主语的句型

汉语中有许多习惯用语。其中有的是用“人们”、“有人”、“大家”等作主语，有的看来是无主句，有的则是句子中的独立成分，如“应该说”、“必须指出”、“已经证明”等， 在英语中则常用it 作形式主语的句型来表达这些习惯语。 Lz!,kwg  
（1）    人们（有人、大家）认为…… It is considered (or thought ) that… %Bn?n{/  
（2）    普遍（一般、通常）认为……It is generally (usually ) accepted (or agreed, recognized) that… dC$Em@Nb  
（3）    人们（有人、大家）相信…… It is believed that… T:Hr&ws4  
（4）    众所周知…… It is well-known that… N#7Q
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（5）    据说（有人说）…… It is said that… e2ilB),  
（6）    据悉…… It is learned that… zj`v?#ET  
（7）    据推测…… It is supposed that… NufLzg{  
（8）    据估计（预计）…… It is estimated (predicated, calculated) that… (TwnkXrR,  
（9）    据报导…… It is reported that… wsN?[=l{s  
（10）    必须指出…… It must be pointed out that… \"^w'ng  
（11）    必须（应该）承认…… It must (should ) be admitted that… _
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（12）    可见（可以看出）…… It will be seen that… gu<'QV"  
（13）    由此可见…… It will be seen from this that… ,(?po(']  
（14）    不用说（谁都知道）…… It is understood that … bKQ"ax>6p  
（15）    无可否认…… It cannot be denied that… Eu-RNrYh#  
（16）    已经证明…… It has been proved that… xY U.D+RY  
（17）    可以肯定…… It may be confirmed that… 9}uW}yJ  
（18）    可以有把握地说……It may be safely said that… ks97k 8B  
（19）    人们有时会问…… It is sometimes asked that… {h2TD P  
（20）    人们希望…… It is expected (hoped ) that… x-<)\L&  
(21)  毫不夸张地说…… It is no exaggeration to say that…… 4RV%Z!kcD!