用not构成的否定句:主语+助动词/ be+not+- 例句: He is not back yet. It is not true. We haven’t forgotten you. You shouldn’t be so silly. We haven’t been invited yet. He won’t go, but they will. Money could not buy happiness. I like the salad, but I don’t like this soup. He wants a girl friend, but he doesn’t want to get married. You didn’t understand what I said, did you ? You needn’t try to explain. I didn’t use to like opera, but now I’m getting interested. I usedn’t to like opera, but now I’m getting interested. 【查看更多】
