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。 hg$qbeUl  
（1）    人们（有人、大家）认为…… It is considered (or thought ) that… &Bj,.dD/a  
（2）    普遍（一般、通常）认为……It is generally (usually ) accepted (or agreed, recognized) that… ^ =aml  
（3）    人们（有人、大家）相信…… It is believed that… byEvc[/>Ys  
（4）    众所周知…… It is well-known that… u^j8 XOT  
（5）    据说（有人说）…… It is said that… H={O13  
（6）    据悉…… It is learned that… x*5 Ch~<k  
（7）    据推测…… It is supposed that… ]}UeuF\  
（8）    据估计（预计）…… It is estimated (predicated, calculated) that… 5bu[}mJ  
（9）    据报导…… It is reported that… vB&F_"/X2  
（10）    必须指出…… It must be pointed out that… ] P:NnKgK  
（11）    必须（应该）承认…… It must (should ) be admitted that… 7,) 67G;  
（12）    可见（可以看出）…… It will be seen that… 12%z3/i  
（13）    由此可见…… It will be seen from this that… jsZiARTZRl  
（14）    不用说（谁都知道）…… It is understood that … l(3'Re  
（15）    无可否认…… It cannot be denied that… s$SU vo1J  
（16）    已经证明…… It has been proved that… +cV5h  
（17）    可以肯定…… It may be confirmed that… j]@x Q,y  
（18）    可以有把握地说……It may be safely said that… >o0&:h|>$'  
（19）    人们有时会问…… It is sometimes asked that… L@gQ L  
（20）    人们希望…… It is expected (hoped ) that… X]3l| D  
(21)  毫不夸张地说…… It is no exaggeration to say that…… 2|T|K?R^