Check your english vocabulary for

Part 2: 
1. While / As / Just as (While is usually used to talk about long actions. When is usually used to talk about short actions)
2. During / Throughout (During must always be followed by a noun. Throughout can be used on its own. For example:
The concert was boring and I slept throughout)     3. In the meantime / Meanwhile (If these words are followed by
another word, that word must be a noun)    4. At that very moment
Part 3.
1. Following (This word is always followed by a noun. We can also say after )     2. As soon as / Once / The minute that
(these words and expressions are always followed by an action)     3. Afterwards
B.
(1 - the past): in medieval times / back in the 1990s / in those days / a few decades ago / at the turn of the century /
in my childhood / youth / last century / from 1996 to 1998
(2 - the past leading to the present): ever since / over the past six weeks / lately / for the past few months
(3 - the present): as things stand / nowadays / at this moment in time / at this point in history / these days
(4 - the future): for the next few weeks / one day / from now on / over the coming weeks and months / in another
five years’ time / by the end of this year / for the foreseeable future / sooner or later