[摘要]
Addition
in adddition in... as well as...+N besides... both...and...+ N not only... but also...+N/clause Furthermore... Moreover..+clause

Concession
although... though... even though/eve...

Addition
in adddition in... as well as...+N besides... both...and...+ N not only... but also...+N/clause Furthermore... Moreover..+clause

Concession
although... though... even though/even if...+clause but... yet... despite...+N in spite of... however nevertheless

Cause and result
Because... as...+clause since... in case... due to... as a result of... so that.. therefore+clause consequently

Purpose
in order that...+clause so that... in order to/so as to...+V

Time
before... after+N/clause till/until as/as soon as/when once/immediation+clause then/next/after that/later/finally