Language. Составить предложения, поставив глаголы в Present Perfect You/ use/ the screwdriver? – Have you used the screwdriver?
1. Ron/ not install/ the updates/ already
2. You/ charge/ he battery?
3. Sheila/ upgrade/ the operating system.
4. They/ not/ defragment/ your drive.
5. John / check/ the remaining disc drives?
1.Ron hasn't installed the updates already.
2.Have you charged the batter?
3.Shelia has upgraded the operating system.
4.They haven't defragmented your device.
5.Has John checked the remaining disc drives?