16.3
2. The bus has just gone.
3. The bus hasn't gone yet.
4. He hasn't opened it yet.
5. They've just finished their dinner.
6. It hasn't stopped raining yet.
16.3
2. The bus has just gone.
3. The bus hasn't gone yet.
4. He hasn't opened it yet.
5. They've just finished their dinner.
6. It hasn't stopped raining yet.