Showing contrast: however, nevertheless, on the other hand, in contrast
Sentence. Contrast linker, sentence. OR Sentence; contrast linker, sentence.
Same structure
Rarely used in questions
💡 These are sentence adverbs, not conjunctions. They need punctuation.
✓It's expensive. However, it's worth it.
✗It's expensive however it's worth it.
However needs punctuation around it.
✓She studied hard; nevertheless, she failed.
✗She studied hard nevertheless she failed.
Semicolon before, comma after.
✓On the other hand, we could stay home.
✗On the other hand we could stay home.
Comma after linking phrase.