“But” and “However”
But
However
 Conjunction.
 Adverb.
 Contrast ( two contrasted ideas) positive + negative -
 Contrast ( two contrasted ideas) positive + negative -
 Informal / Casual.
 Formal.
1. I want to go to the party. the first idea (+)
2. I can’t go to the party. The second idea (-)
1. Our sales are up. the first idea (+)
2. Our customer satisfaction is down. The second idea (-)
 I want to go to the party, but I can’t.
 Our sales are up. However, Our customer satisfaction is
down