GRE作文高分词汇分类整理，希望可以给大家一些参考。
1. 情态动词：could, hould, would, might, may,will, can
2. 程度副词：
肯定：
certainly
urely
naturally
obviouly
undertandably
unboubtedly
plainly=urely
可能：
probably
poibly
potentially
likely
preumably
perhap
3. 分析性词：
in the cae
In thi ene,...
So i ...
However, ...
True, ...
Following thi trend, ...
Ironically, ...
No wonder that ...
Given that, ...
Granted that 姑且承认
almot
actually
literally=almot+actually
a a matter of fact
admittedly
Even if/though
No matter ...
to ome extent