6th Grammar present perfect still, for, since.

played Iwas Iold Isince Iyears II Ihave Ihockey II Isix. I

haven't II Istill Ibeen Ithe Imountains Ito. I

three Ifor II Ihours Ihave Islept. I

They T10 Twaited Tfor To'clock Tthe Tsince Thave Ttrain. T

English Wstill Wstudied Whaven't WWe. W

She Sfor Ssung Sthirty Shas Sminutes. S