Keyword Analysis & Research: how to punctuate this sentence correctly

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to punctuate this sentence correctly	1.67	0.1	8423	26	40
how	0.25	0.8	9419	4	3
to	0.99	0.5	5784	85	2
punctuate	1.51	0.4	9109	41	9
this	1.11	0.4	2318	40	4
sentence	1.36	0.5	7746	35	8
correctly	1.99	0.4	2693	14	9

Keyword	CPC	PCC	Volume	Score
how to punctuate this sentence correctly	1.33	0.7	1312	90
correctly punctuate my sentence	0.4	0.6	1993	74
punctuate the sentence correctly	1.32	0.8	9243	64
punctuate this sentence correctly	0.53	0.6	8980	17
punctuate the following sentences correctly	1.84	0.9	1545	17