Present perfect
I play tennis.
I have played tennis.
I write articles.
I have been writting articles.
Places that receive very little rain.
Arid
Killing animals for food.
Birds sing a song.
A song is sung by birds.
She has forgotten her purse.
They play football.
They have been playing football.
Very old.
Ancient
Caring for animals.
Herding
This book was written by Walt Whitman.
The train leaves now.
The train has left now.
She shops in that store.
She has been shopping in that store.
Related to government.
Political
To live in a place
Inhabit
People creates pollution.
Pollution is created by people.
We speak three languages.
We have spoken three languages.
We travel around the world.
Places that receive a large amount of rain.
Rainy
Places that are never extremely hot or cold.
Pollution is causing many deaths.
Many deaths are being caused by pollution.
Cats like milk.
Cats have liked milk.
My mom cooks.
My mom has been cooking.
Unpleasent emotion that makes you feel something is dangerous.
Fear
Travel in boat.
Sail
Gamesa makes my favorite cookies.
My favorite cookies are made by Gamesa.