1． as do I ／as I do
 
a）He writes as his father did．他像他爸爸一样写作。
 
b）She looks forward ，as does her secretary ,to the completion of the building．她像她的秘书一样盼望工程竣工。
c）When in Rome do as Romans do．入乡随俗。
2．．．．as he is
a）Talented as he is，he is not yet ready to turn professional．别看他有天份，他还没把心用到专业上去。
 b）As to the question you raised in your last letter ，I think．．．．关于你上封信提出的问题，我认为……。
3．as good as意思是“差不多，几乎”。此外，该结构还保留其原意“和……一样好”。
a）Don't worry，the matter 's as good as settled．别担心，问题差不多已经解决了。
b）When the car was repaired，it looked as good as new．当这辆车修好的时候，它看起来差不多像新的一样。
4．as and when“到时候”，指将来的某一未定的事或时候。
We'll decide on our team as and when we qualify for the competition．我们等到有资格参加比赛时，再来决定本队的参赛人员。
5．as if you were／are a）He walks as if he were drunk．他走路的样子好像是喝醉了似的。（说话人认为他并没有喝醉）
b）He walks as if he is drunk．他走路好像喝醉了。 注：一般来讲，如果as if表达的内容与事实相反或者是一种假使，通常使用虚拟语气。
a）。如果as if所表达的内容被看作是事实，就要使用陈述语气。
6．as it were ／was（is）
a）As it was，they had no unity，no sense of cooperation ．事实上，他们不团结，没有合作意识。 注：as it is ／was是个成语，意思是：“事实上、实际上”。而as it were在意义和用法上与as it is ／was完全不同，意思是：“可以说是、似乎是、仿佛”，它所表达的内容不太肯定。例如：
b）He is ，as it were，a walking dictionary．他简直可以说是一部活字典。
c）He is my best friend，my brother as it were．他是我最好的朋友，可以说是我的兄弟。
7．as long ago as／as long as
a）As long ago as the eleventh century the Chinese people not only invented the com pass but also used it in navigation．早在十一世纪中国人就不仅发明了指南针，而且还把它用到航海上。
b）I'm happy as long as you are happy．只要你幸福，我就感到幸福。
c）As long as you act so m ean，you can't expect anybody to do anything for you．由于你行为卑劣，你不要指望有人会帮助你。 注：as long ago as可译为“早在……”。见例句
a）as long as／so long as引导一个条件状语从句，通常译为“只要”。
8．as long as ／so long as
a）You can go out ，as long as you promise to be back before 10o'clock．只要你答应10点钟以前回来，你就可以出去。
 注：当as long as和so long as作“只要”解时，可以看作是同义的，但是，当用于同级比较时，只能用as long as，而不能用so long as。
b）You can stay here as long as you want．你希望在这里呆多久就呆多久。
本文来源于:网络之都 http://www.book18.net/ , 原文地址：http://www.book18.net/book/as.html