The past tense forms of “sink,” “think,” and “drink” are as follows:
- Sink:
- Past tense: Sank
- Example: The ship sank to the bottom of the ocean.
- Think:
- Past tense: Thought
- Example: She thought about the problem for hours.
- Drink:
- Past tense: Drank
- Example: He drank a glass of water after his workout.
These past tense forms are irregular, meaning they do not follow the regular pattern of adding “-ed” to the base form of the verb. Instead, they have unique past tense forms that need to be memorized.
