I drink water
I am drinking water
I have drunk water
I have been drinking water
I drink water
I was drinking water
I had drunk water
I had been drinking water
I will drink water
I will be drinking water
I will have drunk water
I will have been drinking water
I am drinking water
I have drunk water
I have been drinking water
I drink water
I was drinking water
I had drunk water
I had been drinking water
I will drink water
I will be drinking water
I will have drunk water
I will have been drinking water