David ✓ ✗ a student four years ago, but now he ✓ ✗ a doctor.

Sheila ✓ ✗ in hospital yesterday because she ✓ ✗ ill.

Johanna and her mother ✓ ✗ at the shopping center last weekend.

I ✓ ✗ at home today, but yesterday I ✓ ✗ in Antalya.

You and your sister ✓ ✗ very dirty before the shower.

My grandfather ✓ ✗ an engineer five years ago, but now he ✓ ✗ retired.

I ✓ ✗ at school at the moment. I ✓ ✗ at home last night.

It ✓ ✗ sunny today. It ✓ ✗ rainy yesterday.

She ✓ ✗ in Ankara last week. She ✓ ✗ in Adana now.

There ✓ ✗ twenty-five students in the class 6-C this year. There ✓ ✗ twenty-four students in the class 5-C last year.