Ex.1
1). Oh, no! I've never repaired my car myself.
2). Of course, I would, but it's hardly possible. You'll never be able to do it. It's too old.
3). Oh, no! I've never driven a car.
4). Of course, I would, but it's hardly possible. You'll never be able to do it. I've got too many suitcases and I need a bigger car than yours.
5). Oh, no! I've never played chess.
6). Of course, I would, but it's hardly possible. You'll never be able to do it. I'm too old and dull for that.
7). Oh, no! I've never spoken English to him.
8). Of course, I would, but it's hardly possible. You'll never be able to do it. I'm sure he won't understand a word.
Ex.2
1). I haven't told anybody anything.
2). I haven't spoken to anybody about anything.
3). I haven't told anybody anything.
4). I haven't promise anybody anything.
5). Because it's inhuman, isn't it?
6). Because it's insignificant, isn't it?
7). Because it's uncomfortable, isn't it?
8). Because he's unkind and unreliable, isn't he?