01
On the occasion of…/at the time of…
02
As soon as…
03
While, during
04
In the middle of,
05
Ongoing phenomena, simultaneity
06
Starting with/as well as
07
Throughout (a fixed time period)
08
Limits, to the utmost limit, as long as
09
Not only A, but also…
10
Concerning something
11
Regarding a thing/state/event, Juxtapose two items in contrast
12
Is based on…
13
Targeting…/as its target
14
As~, since~
15
According to…/depending on,
16
Aside from…
17
There is no way/it is impossible
18
It doesn't mean that…
19
By (cause/due to)
20
There is a possibility that…(negative)