1) We read a book.
We are reading a book.
We have read a book.
We read a book. We were reading a book.
We will read a book.
2) They rent a hotel.
They are renting a hotel.
They have rented a hotel.
They rented a hotel.
They were renting a hotel.
They will rent a hotel.
3) He builds a house.
He is building a house.
He has built a house.
He built a house.
He was building a house.
He will build a house.
1) We read a book.
We are reading a book.
We have read a book.
We read a book. We were reading a book.
We will read a book.
2) They rent a hotel.
They are renting a hotel.
They have rented a hotel.
They rented a hotel.
They were renting a hotel.
They will rent a hotel.
3) He builds a house.
He is building a house.
He has built a house.
He built a house.
He was building a house.
He will build a house.