1.1. It will cost you a handsome sum of money.
1.2. It will cost you a substantial sum of money. These both mean the same.
2.1. You wonít deceive him.
2.2. You wonít take him in. These both mean the same.
3.1. They donít need such obsolete methods.
3.2. They have no use for such obsolete methods. These both mean the same.
4.1. This is what Iím driving at. This is more emphatic than 4.2.
4.2. This is what Iím leading up to. I think it is better with 'up'.
5.1. I have a good mind to put the matter before him. This is more emphatic than 5.2.
5.2. Iím inclined to put the matter before him.
Thank you for your efforts.
I hope that this helps.
- For Teachers