sebutkan present perfect,simple present

Present perfect :
s + have/has + V3

Simple present :
S + V1+s/es

Rumus Present Perfect :
Nominal
(+) S + have/has + been + C => She has been a student for eight years
(-) S + have/has + not + been + C => She hasn't been a student for aight years
(?) have/has + S + been + C? => Has she been a student for eight years?

Verbal
(+) S + have/has + V3 + O/C => She has studied since she was young
(-) S + have/has + not + V3 + O/C => She hasn't studied since she was young
(?) have/has + S + V3 + O/C? => Has she studied since she was young?

Rumus Simple Present
Nominal
(+) S + am/is/are + C => She is smart
(-) S + am/is/are + not + C => She isn't smart
(?) am/is/are + S + C? => Is she smart?

Verbal
(+) S + V1 (s/es) + O/C => She studies English every day
(-) S + do/does + not + V1 + O/C => She doesn't study every day
(?) do/does + S + V1 + O/C? => Does she study everyday?

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