否定句：

I don't have any money.

肯定句：I have some money.

否定句：

They didn't enjoy the party.

肯定句：They enjoyed the party.

否定句：

He doesn't speak Spanish.

肯定句：He speaks English.

否定句：

She doesn't like pizza.

肯定句：She likes pizza.

否定句：

I can't swim.

肯定句：I can swim.

否定句：

They aren't from Japan.

肯定句：They are from China.

否定句：

I haven't seen that movie.

肯定句：I have seen that movie.

否定句：

He doesn't play basketball.

肯定句：He plays soccer.

否定句：

闭门造车的作家是肯定写不出精品来的。

肯定句：闭门造车能写出精品的作家。

否定句：

他一路遥遥领先，冠军肯定是他的。

肯定句：他一路遥遥领先，冠军就是他的。

这些例子展示了如何将否定句转换为肯定句，同时保持原句的意思不变。希望这些例子对你有所帮助。如果有更多需求，请随时告诉我。