Keyword Analysis & Research: what have happened or what has happened

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what have happened or what has happened	1.96	0.7	9652	56	39
what	0.07	0.2	5356	35	4
have	1.91	0.3	9243	67	4
happened	0.56	0.8	9908	24	8
or	0.17	0.6	9527	11	2
what	0.03	1	8992	41	4
has	1.06	0.1	4641	2	3
happened	1.51	1	5215	48	8

Keyword	CPC	PCC	Volume	Score
what have happened or what has happened	1.73	0.7	8605	1