He has swum since 6 years
he has swum since he was six
Объяснение:
I, You, We, They + have + глагол в 3 форме(V3)
He, She, It + has + глагол в 3 форме (V3)
He has swum since 6 years
he has swum since he was six
Объяснение:
I, You, We, They + have + глагол в 3 форме(V3)
He, She, It + has + глагол в 3 форме (V3)