Wrong. I should sure like to go.

Right. I should surely like to go.

Wrong. Sure I’ll come.

Right. Surely I’ll come. Or, I’ll be glad to come.

tasty. Use delicious or some similar expression.

Wrong. That is a tasty pudding.

Right. That is a delicious pudding.

through. Through is not a synonym for finished.

Wrong. I was through the examination at quarter of nine.

Right. I finished the examination at quarter of nine.