Matched context for perceive and necessitate

The page lists matched contexts for perceive and necessitate.

Share - perceive	Share - necessitate	Phrase
13.05%	3.42%	{perceive or necessitate} modification [perform operation]
9.88%	3.19%	{perceive or necessitate} change [perform operation]
5.46%	0.89%	{perceive or necessitate} modal will
1.01%	1.52%	{perceive or necessitate} modal may
0.52%	1.63%	not {perceive or necessitate}