1.It is in （or with）......as in （or with）......
It is in life as in a journey.人生道路如同旅程。
It is in studying as in eating； he who does it gets the benefits， and not he who sees it done.阅读和用餐一样，获得权益的是这些具体在吃的人，而不是做旁观者的人。
It is in mind as in body which must be nourished by good food.精神实质和人体都务必有好的食材来营养成分。
2.as good as / as well as
It is as goos as done.这就和搞好了一样。
It is broad as well as long.那既长而宽。
as good as 有两个含意：
（1）amounting to ； not falling short of；相当于；一样； 几如；； 不缺乏
He was as good as his word.他不失约。
（2）virtually； essentially； in every essential respect事实上；实际上；确实；在各关键点上
He is as good as dead already.犹如死尸；行尸之惧；有名无实
as well as 有四个含意：
（1）no less than； equally with相当于；不下于；亦；一样好
I have understanding as well as you.
（2）both......and......；one equally with the other"与"、"二者皆"
Work in moderation is healthy as well as agreeable to the human constitution.适当劳动者对人体给与快乐，又有利环境卫生。
（3）与not only......but also有连带关系
He has experience as well as knowledge.= He has not only knowledge but also experience.
（4）能够替代better than
As well （= better） be hanged for a sheep as （ = than） for a lamb.窃钩如窃国，两者之间盗小羊羔。
3.As it is
其含意为：as it stands； to state the matter as it really stands； as a matter of fact； in reality.等同于：事实上；就具体情况来讲；依据（如今）状况看；就在今天这一模样这些。它用于指事情的奇数；即指前边的单数名词。假如指事情的复数，则用"As they are".假如用于指人时，则为as I am / you are / she/ he is/ we are / they are.as it is 的过去时为as it was.其部位能够放到句首，句末或语句正中间。
（1）用以句首，留意前后左右语态与该构造保持一致
As it is， we can not help him.
As it was， we could not help him.
（2）用以句末
Let’s keep it as it is.
You mustn’t go to the ball as you are.你不能那样去报名参加晚会。
有时候it能够省去为"as is "，意即：照如今的模样，喻指"已不维修或改善"等状况。
He has an old radio as is.他有一台沒有维修过的旧录音机。
I’ll sell it to you as is， but don’t complain if it doesn’t work.
（3）句里时，用分号把它从前后左右分隔
A.虚拟语气句型＋but ＋as it is / was，该构造意为：实际上；实际上
I thought things would get better， but as it is， they are getting worse and worse.
The rice could have been got in yesterdy if the weather had been fine， but as it was， it had to be left in the fields.
B.过去分词＋as it is，表明注重前边的过去分词
Written as it is in an interesting way， this book is enjoyable to young and old alike.
Published as it was at such a time， his work attrached much attention.
C.现在分词＋ as it does（did）。意为：由于那样，（具体）因此 ......
Living as he does in Shanghai， he knows the place extremely well.
Reading as he did many times， he could recite it fluently.
好多个相近的构造：
A. as it stands 依据现阶段状况看来
As it stands， it is certain that our country can realize the four modernization ahead of schedule.
B. such as it is很差，品质莫过于此
The room， such as it is， is very bright.
C. as it were ＝as if it were so.属虚拟语气，用以插入语。不能与as it is 搞混
He is ， as it were， a living dictionary.
Comrade Lei Feng still lives， as it were ， in our heart.
4.have the 抽象名词 ＋不定式
I had the fortune to succeed.我很幸福得到了取得成功。
have = possess原先指肉身和精神实质上的特点，现做为一种技能而具备的。
She had the cheek （ = impudence） to say such a thing. = She was so impudent as to say such a thing.她恬不知耻地讲出那样的话。
How can you have the heart （ = hard-heartness） to drown such darling little kittens？
你何狠心把这般可爱的猫咪溺死？
