1. Present perfect or past simple? Find and correct one mistake in each sentence.
a. I had a headache since I woke up this morning. _____________________.
b. Have you called John yesterday? ____________?
c. A plane just crashed over the Alps. More details follow later. __________________________________.
d. When I was a child, I have ridden my bike to school. ________________________________.
e. I have never met my grandmother. She died before I was born. ____________________________________.
f. I didn't finish my homework yet. ______________.
g. I have gone to Spain last year. __________________.
h. We gone to bed very early last night. ________________.
i. They have moved to London 2 years ago. ________________.
j. She didn't ring me since Tuesday. ________________.