Final answer:
The words 'data', 'fact', 'consensus', 'strategy', and 'prototype' are generally considered singular, albeit 'data' can also be plural. Their respective plural forms are 'data' (or 'datums' in rare usage), 'facts', 'consensuses', 'strategies', and 'prototypes'.
Step-by-step explanation:
In the English language, words can be either singular or plural. Let's look at the words you've listed:
- Data: This word is technically plural, derived from the singular word 'datum'. However, in modern usage, it is often treated as a singular word.
- Fact: This word is singular, but can be made plural by adding an 's' to the end, making it 'facts'.
- Consensus: This word is singular. Its plural form can be 'consensuses'.
- Strategy: This word is singular. Its plural form is 'strategies'.
- Prototype: This is a singular word. Its plural form is 'prototypes'.
Learn more about Singular and Plural