The teacher has explained the lesson.
The teacher was explaining the lesson.
The teacher is going to explain the lesson
The cleaner cleaned the house.
The teacher explain the lesson
The cleaner is cleaning my house.
The cleaner was cleaning the house.
The cleaner clean the house.
The cleaner is going to clean the house
I was having my house clean.
I was having the lesson explained.
I am going to have the lesson explain.
I have the lesson explained.
I had my house cleaned.
I have the lesson explain.
I am going to have my house clean.
I am having my house clean
I have my house clean.