Matched context for necessary and duration

The page lists matched contexts for necessary and duration.

Share - necessary	Share - duration	Phrase
3.60%	4.10%	time {necessary or duration}
11.98%	0.86%	longer {necessary or duration}
0.88%	0.28%	{necessary or duration} [does] change
1.12%	0.41%	{necessary or duration} [does] determine
0.98%	0.21%	{necessary or duration} [does] vary
0.33%	1.30%	determine {necessary or duration} [perform operation]
0.37%	0.64%	increase {necessary or duration} [perform operation]
1.25%	0.22%	reduce {necessary or duration} [perform operation]