rules for using present perfect tense

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
rules for using present perfect tense	1.61	1	928	89	37
rules	0.29	0.1	1923	79	5
for	0.41	0.3	9170	83	3
using	1.96	0.4	1491	27	5
present	0.81	0.4	4019	55	7
perfect	0.51	0.7	3096	96	7
tense	0.55	0.7	2793	79	5

Keyword	CPC	PCC	Volume	Score
how to use the present perfect tense	1.68	0.5	5539	90
rules of present perfect continuous tense	0.65	0.8	3641	55
present perfect grammar rules	1.71	1	2809	22
rules of present perfect	1.81	1	7437	16
present perfect tense practice	0.36	0.8	4935	23
grammar present perfect tense	0.58	0.7	5470	77
how to teach the present perfect tense	0.01	0.5	6018	39
practice of present perfect continuous tense	0.73	0.3	8442	14
rules of past perfect continuous tense	1.31	0.5	3741	51
rules of present continuous tense	0.87	0.6	8528	73
present perfect tense continuous	0.64	0.5	4118	80
present perfect continuous tense pdf	1.73	1	1670	4
when to use present perfect tense	1.75	0.2	8443	46
when do we use present perfect tense	0.14	0.9	8537	14
when to use present perfect continuous tense	0.93	0.5	3455	54
what is the use of present perfect tense	0.05	0.1	50	78
why use present perfect tense	1.8	0.5	4682	81