You should read:
Following the previous statements, I believe the correct sentence is: I had already been working for the company for 5 years
The Past Perfect Continuous
is used to emphasize the repetition or duration of an action in the past prior to the other action also in the past.
The Present Perfect Continuous
is used to talk about an activity that began in the past and continues to the present, emphasizing the duration or intensity of the action. In this case, to express the time, we usually use the words: since, for, all day, all morning, all week
is used to say when something happens; for
is used to say how long it lasts.
Both prepositions, during
can be used to say that something happens inside a particular period of time.
We will be on holiday during
the summer or
We will be on holiday in
I woke up during
the night. or
I woke up in
the night.When we are talking about the whole of the period we use during
, not in