We had four classes yesterday morning.这个句子怎么变否定?

We had four classes yesterday morning.这个句子怎么变否定? We had four classes this morning.（改一般疑问句） WE have four classes 【 】 morning We _____ ______ four classes every morning. WE have four classes in every morning We have four classes in the morning .改为否定句.到底是在have前加don‘t还是 We have four classes in the morning.four划线变成how many classes we have four classes in the morning改成同义句 we have four classes in the morning.改一般疑问句 We had a good time yesterday怎么改否定句? We had()for breakfast yesterday morning. He had dinner at 6 yesterday的疑问句及否定句怎么变