非谓语动词不定式现在分词和过去分词作补足语
作补足语的可以是不定式、现在分词和过去分词。
非谓语动词 用法
不定式 表示动作的全过程或经常性、反复性
现在分词 表示一个主动、正在进行的动作
过去分词 表示一个被动或完成的动作
The mother urged the little boy to go to bed.
妈妈催促小男孩上床睡觉。
I caught him reading my private letters.
我逮到他在看我的私人信件。
He went home happily with his homework finished.
他的作业完成了，他很高兴的回家去了。
表示“看”(look at, notice, observe, see, watch)，“听”(listen to, hear)，“感觉”(feel)意义的动词在主动语态中用不带to的不定式作补足语，但在被动语态中要加上to。使役动词make，let在主动语态中用不带to的不定式作补足语，在被动语态中要加上to。
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leave sth. undone留下某事未做
leave sb. to do sth.留下某人做某事
leave sth. to be done留下某事要做
have/get sth. done让某事由别人去做
have sb./sth. doing 让/使某人持续做
get sb./sth. doing让/使某人开始做
have sb. do/get sb. to do 使/让某人去做某事
keep sb. doing 使/让某人一直做
keep sth. done 使/让某事被做
South Africa hosted the fifth BRICS Summit in March 2013，which completed the first cycle of BRICS summits，BRICS is an acronym for the powerful grouping of the world's leading up-and-coming economies，namely Brazil，Russia，India，China and South Africa．The BRICS aims to achieve peace，security，development and cooperation．It also seeks to contribute to the development of humanity and build a more stable and fairer world．
The industry leaders from the business communities of the five countries agreed that the BRICS countries will actively support industrialization on the African continent in order to contribute significantly to its development and to expand trade links between Africa and BRICS．The global economic situation，though improving，continues to remain uncertain with the Euro-crisis a major concern．The task ahead is to build on these developments and BRICS countries remain committed to the cause of promoting sustainable growth．Greater economic cooperation among BRICS countries can be significantly important，which will prove beneficial for global economic growth．
According to Dr．Rob Davies，South African Minister of Trade and Industry，the African continent is recognized as the second fastest growing continent after Asia．There are four drivers of the economic growth in African continent．These are the boom in mineral products in the African continent，the development of the service industries，the benefit of not having the financial crisis，and infrastructure(基础设施）development．Davies also adds that other BRICS countries have advantage of large populations providing big home markets for their products．The South African population is small compared to other BRICS countries，but if you add up numbers on continent then you have a critical mass that can support the new industrial wave in Africa：That is why the South African needs to create large trading blocks across large parts of African continent．
1．“BRICS” refers to______．
A． the most active economy group in today’s world
B． the most powerful economies in western world
C． leading countries with fast development of humanity
D． the most stable and secure countries in the world
2．From the text we know that industrialization in Africa will______．
A．give financial supports to all African countries
B create trade opportunities for both Africa and BRICS
C make significant development in the powerful groups
D．expand sustainable economic cooperation in different continents
3．The author believes greater cooperation among BRICS will______，
A．promote global economic growth B．bring more challenges
C．narrow the gap of development D．solve Europe’s economic crisis
4．Which of the following is the driver of the economic growth in Africa？______．
A． The development of business industry
B． Protective exploration in mineral products
C． The recovery of the infrastructure
D． The benefits of having no financial crisis
