Dear friends...
A lot of air entered the room.
A lot of air had entered the room.
Does the second sentence imply that air did enter the room, or is it a conditional, like
A lot of air would have entered the room.
Thanks
Yes, it is.
[QUOTE=marciobarbalho;537966]Dear friends...
A lot of air entered the room yesterday. - finished action
A lot of air had entered the room.- past perfect
A lot of air had entered the room when I arrived. - previous action
A lot of fresh air would have entered the room if I had opened the windows. - 3rd type of if clause.