${1.}$ Our house was painted by a painter last month.

→ bị động QKĐ: S + was/were (not) + v3/ed +(by+O) + time

${2.}$ My hair is being cut by the hairdresser this afternoon.

→ bị động HTTD: S + is/am/are (not) + being + v3/ed +(by+O) + time

${3.}$ My motorbike has been stolen.

→ bị động HTHT: S + have/has (not) + been + v3/ed +(by+O) + time

${4.}$ All of Ricky's teeth have been taken out by the dentists.

→ bị động HTHT

${5.}$ The car-wash hasn't been bought for a long time.

→ bị động HTHT

${6.}$ The new central heating is being put by the men on Saturday.

→ bị động HTTD

Thể bị động chung S+be +V(pII) +by O