For, During & While
(page 1)


I lived in Paris for six months.
I lived in Paris during the 1990s.

I lived in Paris while I was living in Europe.


for +
period of time (we are interested in how long something continues for)
during +

noun (we are interested in when something happened)

while +
subject and verb (we are interested in when something happened)


for a year
for a few minutes
for a month
for a second
for the rest of my life
for the summer

during the movie
during the storm
during the football match
during September
during the exam
during the evening
while he was taking the exam
while they were driving to Sydney
while I am studying
while she was waiting
while I am asleep
while she was away