Potential Possibilities

adverb used to emphasize a negative statement or contrasting a previous statement

conjunction used to introduce a contrasting idea or to add something to a previous statement

• The project has not been completed yet due to unforeseen circumstances.
• I haven't finished my homework yet, I'll do it later.
• I haven't eaten yet, I'm starving!
• The sun hasn't set yet, there's still time to enjoy the beach.