I.宾语从句和定语从句

　　-that, which只能指-物

　　-who, whom只能指-人

　　-whose指-人或物

　　-宾语从句一定要有that; -定语从句用that和which有区别:

　　that限制性，紧跟被修饰名词后；which引导非限制性定语从句，前面必须是","或介词

　　II.even though, although > despite, in spite of

　　not…but…> …rather than…, instead of

　　B +介词+ A结构> AB结构，如Inability of French > French inability

　　形容词名词结构> 名词that is

　　同位语从句> 定语从句

　　III.GMAT中一定错的表达方式

　　-口语化表达：when you; if you; maybe < probably

　　-主观色彩的表达方式一定错: be to do, be going to, have to

　　-Similar to放在句首一定错，-无论是整句还是分句

　　-Enough在画线部分一定错！

　　-Concerning一定错！要用about, over

　　-Hopefully错！要用it is hoped

　　-Make comparison of错！要用compare

　　-With the intention to错！要用intend

　　-As is based错！要用based

　　-Be able to be done错！

　　-There be done错！

　　-Comparing，-basing错！只能用被动compared, based

　　-Doubled, tripled, quadrupled错！只能用主动

　　IV.整个前面一段话对后面的影响