It is five seven kilometers from the office to my home. 4） 指环境，条件等。
It is very quiet here.
5） “无人称it”也用于下列2个结构中表达印象和可能性。
It seems as if we haven’t seen each other for a long time.（印象） It looks as though he is going to quit the job.（可能性） 6） “无人称it”还用于下列表达中：
as it is 事实上 So be it. 但愿如此；好吧。 That’s it! 对，是这样！ Make it 按时到达；成功 （二）虚词（助词） 1. 作形式主语
当动词不定式、动名词或从句作主语时，通常把它们放在谓语动词之后，而用it 作句子的形式主语。 It is no good complaining to him. It is a pity that you missed the close match yesterday. 2. 作形式宾语
1） 当复合宾语中的宾语是动词不定式、动名词或that宾语从句时,往往把宾语放在它的补足语
后面，而用it 作形式宾语，放在宾语补足语之前。 You must find it no use negotiating with such a crazy man. I made it my responsibility to keep the room tidy. 2） 在下列动词后，用it 充当形式宾语，后接从句。 ① 主语 + would appreciate/ can make + it + if 从句 （表示礼貌的请求和建议）
I’d appreciate it a lot if you could give me a reply at your earliest convenience. I can make it if I start now.
② 主语 + like/ dislike/ love/ hate + it + when/ that 从句 （表示喜欢和不喜欢）
I hate it when you talk with me without looking into my eyes.
③ 主语 + have (声称)/ take, count（认为）/hide/ publish/ put（表达）+ it +that 从句 Legend has it that there is a dragon in the lake.
④ 主语+count on（期待）/ see to（确保）/ depend on/ insist on/ rely on+it+that从句
She’ll see to it that everything goes as planned.
3） 在下列动词后，用it + as +名词或形容词，再接从句。
主语 + accept/ regard/ see/ take/ view + it + as +名词或形容词 + 从句 I viewed it as a joke when you said you would quit teaching. 3. 用于构成强调句（见本讲义中“强调结构”） 4. It is 和 There be 句型的区别： 1） It is no wonder + that 从句
It is no surprise + that 从句 It is no secret + that 从句
It is no coincidence + that 从句
It is no use/ good/ fun/ a waste of time + -ing 但是，以下句型中用there is
There is no doubt + about/ that从句 There is no hope/ chance of … There is no need to do… There is no point in doing… There is no reason to do…
There is no denying/ saying/ telling/ knowing + that 从句
2）It is said/reported/ found/believed/thought that… 据说/报道/发现/相信/认为
= sb/sth be said/reported/found/believed/thought to do…
5
3）It is +adj/n + (for/ of sb.) +to do… 做…某人是… 4）It is likely that… 某人可能… = sb/sth is likely to do
= It is possible for sb/ sth to do… = Chances are that
= There is possibility of doing…
5）It happens（碰巧）/ seems（似乎）/ appears （显得）that… = sb/sth happen/ seem/ appear to do…
6）It never occurred to sb that… 某人没有想到..
6
