?What does while mean in English
during the time that, or at the same time as:
I read it while you were drying your hair.
While I was in Italy I went to see Alessandro.
I thought I heard him come in while we were having dinner.
"I'm going to the post office." "While you're there can you get me some stamps?"
I thought I'd take advantage of the sports facilities while I'm here.
I found these photos while I was cleaning out my cupboards.
I'm acting as deputy while the boss is away.
I didn't drink at all while I was pregnant.
I gained a lot of weight while I was on holiday.
the resource is Cambridge dictionary
The second resource about the use of while is : Calling all
:Beginners BBC London English by Radio and Television
:More example about the use of while in English
?will you sit here while I look for my father
.please wait in the kitchen while we finish our breakfast
:many times while it use with present perfect tense such as this examples
?Has anybody telephoned while I have been out
:while it used in the past tense such as
?Did anybody telephone while I was out
:In many times it use in verb continuous such as
.She sat and waited while I was washing the baby
. I will cook the supper while you are reading the paper
by : SIRWAN BEHNAN