1．最高级标志词 形容词、副词最高级、most / chief / primary / main / leading / ……
2．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．目的项标志词 to / for / ……
7．解释项标志词 or / namely / in other words / that is / that is to say / ……
8．时间项标志词 when / how / today / as / before / after / since / then / until / ……
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 / ……