First = Firstof all = Firstly = initially = originally=To begin
Followingthis
Next/Then/After/Second
Priorto, until
the first stage involves … / in the second stage / in the third stage /
The next step in the stage is that….
After that/at the same time/in the meantime/meanwhile/also
Before doing
Subsequently
in thelast stage
Finally
表达时间阶段
after aperiod of ..months /days/minutes,
during…
连接词表达目的
inorder to / in order that; so as to / so that/in preparation for