Which sentence is correct? (a) Unless you do not apologise, he will not forgive you. (b) Although she is rich, but she is unhappy. (c) Scarcely had we sat down when the lights went out. (d) Both the clerk as well as the officer were absent.
- (a) 'unless' already contains the negative, so 'do not' must go.
- (b) 'although' and 'but' do the same job; only one may stay.
- (d) 'both' pairs with 'and', not with 'as well as'.
- (c) 'scarcely had' pairs correctly with 'when'.
Answer: (c) Scarcely had we sat down when the lights went out.