I drink a glass of water. I drink it.

Anna loves Paul. She loves him and he loves her.

My dog bites his bone and yours drinks some milk. He bites it, it drinks it.

My mother and I will go to London next month. We  will go to London.

My brother in law brings me a gift. He brings me it.

My friends bought some books yesterday. They bought them.

Her son will write us a letter soon. He will writes us.