過去形 => Past form N5
Conjugate verbs
[時「とき」] => At the time A N5
Time
と同時に => at the same time as; while; simultaneously ~ N2
に過ぎない => no more than; just; merely; only ~ N2
Vた[時「とき」] => After having done something N5
Time
~といっても言い過ぎではない => it is no exaggeration to say; it is not too much to say N1
Position, perspective