1．最高级标志词

形容词、副词最高级、most / chief / primary GetWord("primary"); / main / leading / …… 

2．唯一级标志词

only / unique / prefer / every / one / of all / perfect / ……

3．因果项标志词

cause / lead to / contribute to / thanks to / owing to / question / answer / why / reason / 其他形式的问句 / ……

4．转则项关键词

despite / in spite of / instead / while / from ~ to ~ / although ~ （yet）~ / not only ~ but also ~ / ……

5．序数项标志词

所有的序数词（first , second）/ another / the other / next / last / in addition / on the other hand / ……

6．时间项标志词

when / how / today / as / before / after / since / then / until / ……

7．解释项标志词

or / namely / in other words / that is / that is to say / ……

8．目的项标志词

to / for / ……

9．总结项标志词

all in all / in brief / to conclude / at last / in summary / in short / ……

10．强调项标志词

副词：especially / particularly / almost / always / usually / ……

动词：show / remember / note / notice / say / pronounce / ……