can never/ can’t 与too, too much, enough, over- 搭配表示“无论怎样….都不过分”
1). While you are doing your homework, you can’t be careful enough.
2). He is such a great man that we can’t praise him too much.
3). William Hartley was handsome, determined and hardworking, in a word, I couldn’t speak too highly of him.
4). The development of society has made it necessary for us to have a good knowledge of English, so we can’t overemphasize the importance of learning English.
5). Since it is a good thing, we can’t do it too soon.
