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。 `
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（1）    人们（有人、大家）认为…… It is considered (or thought ) that… (OS -v~{r@  
（2）    普遍（一般、通常）认为……It is generally (usually ) accepted (or agreed, recognized) that… ]:H((rk  
（3）    人们（有人、大家）相信…… It is believed that… !A_<(M<  
（4）    众所周知…… It is well-known that… SUGB)vEa  
（5）    据说（有人说）…… It is said that… $FR1^|P/G  
（6）    据悉…… It is learned that… }7Lo}}  
（7）    据推测…… It is supposed that… zt,Tda4Y  
（8）    据估计（预计）…… It is estimated (predicated, calculated) that… (p6$Vgdt  
（9）    据报导…… It is reported that… cl\Gh  
（10）    必须指出…… It must be pointed out that… 7 k:w3M  
（11）    必须（应该）承认…… It must (should ) be admitted that… ^v2-"mX<  
（12）    可见（可以看出）…… It will be seen that… Xgb ~ED]  
（13）    由此可见…… It will be seen from this that… 1V
Xyn\  
（14）    不用说（谁都知道）…… It is understood that … mE>v (JY  
（15）    无可否认…… It cannot be denied that… %KjvV<f-a  
（16）    已经证明…… It has been proved that… S{uKm1a  
（17）    可以肯定…… It may be confirmed that… 2D'b7
zPJ3  
（18）    可以有把握地说……It may be safely said that… &<Iyb}tA?  
（19）    人们有时会问…… It is sometimes asked that… An.Qi=Cv  
（20）    人们希望…… It is expected (hoped ) that… mKTa.  
(21)  毫不夸张地说…… It is no exaggeration to say that…… Sh@en\m=#S