Keyword Analysis & Research: how to properly use a comma in a sentence

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to properly use a comma in a sentence	0.47	0.4	8433	39	41
how	1.32	0.9	1339	76	3
to	1.37	0.7	3225	34	2
properly	0.35	0.4	5860	56	8
use	1.78	0.1	239	14	3
a	1.88	0.5	7594	35	1
comma	0.87	0.8	2709	29	5
in	1.72	0.8	5458	83	2
a	0.19	0.1	9225	48	1
sentence	1.54	0.2	4994	89	8

Keyword	CPC	PCC	Volume	Score
how to properly use a comma in a sentence	1.45	0.4	3168	5