worked vs was working
9106
He was working or worked for my father in the 1990s
58714
Simple Past vs. Present Perfect: "was" vs. "has been"
150181
"Covered with" vs. "covered in" vs. "covered by"
131510
"Was" and "were", which is correct in this context? Can a mood be established in a terminating clause?
97065
Is "what happened is" correct?
80126
Contraction of "I was"?
127433
I worked, I've worked, I have been working. I need some clarifications
64359
to finish vs. to have finished
53052
What exactly is work?
82701
I lived Vs. I was living
151460
Difference between "was to . . ." and "was to have"
92469
"right" vs "correct"
77010
'was' versus 'had been'
41199
Which is more appropriate — "I work for" or "I work at"?
107985
Had done / had been doing
154084
Having done something,... vs Doing something,
77687
What is the difference of "use", "utilize" and "employ"