Have: Auxiliary or main verb

1️⃣ Someone cleaned the office yesterday. ⇒ We cleaned yesterday.

2️⃣ A technician is installing my new software now. ⇒ I installed now.

3️⃣ Someone will deliver the package tomorrow. ⇒ I delivered tomorrow.

4️⃣ Someone cut her hair last week. ⇒ She cut last week.

5️⃣ Someone is checking the system at the moment. ⇒ We checked at the moment.

6️⃣ They will repair the road next month. ⇒ They repaired next month.

7️⃣ Someone has already fixed the printer for me. ⇒ I fixed.

8️⃣ Someone was decorating the house when I arrived. ⇒ They decorated when I arrived.

9️⃣ Someone had stolen his wallet before he noticed. ⇒ He stolen before he noticed.

1️⃣0️⃣ Someone is going to clean the windows tomorrow. ⇒ We cleaned tomorrow.