Main verbs appear in four different forms:
- Present participle
- Past participle
Base Form -drink
Past Simple- drank
Past Participle -drunk
I drink four glasses of water a day.
John drank a glass of mango juice.
We had drunk all the water before the order arrived.
She is drinking a glass of hot water.
She was drinking some water when the van arrived.
This time tomorrow we will be drinking an energetic healthy juice in the class.