Question

I have to clean my room and wash clothes。变否定句

Answer 1

I have to clean my room and wash clothes的意思为我得打扫房间和洗衣服。
否定句为：I have not to clean my room and wash my clothes.我没有打扫房间和洗衣服。

例句
1
Fans of electric cars say they are clean, quiet and economical.
电动汽车迷们说，电动车清洁、无噪音而且经济。
2
So given the option of paying more for dirty power or paying less for clean power, what would you take?
一个是价格昂贵、会破坏环境的化石电能；另一个是清洁而便宜的太阳能，如果是你，你选哪个？
3
The fresh, clean smell of the sea
大海清新舒爽的气味
4
Soft tones of blue and grey create a clean, bright look.
蓝色和灰色的柔和色调营造出明快、亮丽的视觉感观。
5
He wore his cleanest slacks, a clean shirt and a Navy blazer.
他穿着他最干净的便裤，洁净的衬衫和藏青色上装。

Answer 2

I have to clean my room and wash clothes。变否定句变否定句
I don't have to clean my room and wash clothes。
您好，答题不易

如有帮助请采纳，谢谢

Answer 3

I didn't
have to clean my room and wash clothes
don't/ doesn't/ didn't have to 没必要
相当于 needn't