I go to school at seven否定句

I often go to school at seven.改否定句. I go to school at seven否定句 They go to school at seven.改为否定句 they go to school at seven .(改成否定句) I go to school at seven fifty.怎么改为否定句 I usually go to school at seven.改为一般疑问句并作肯定和否定回答 I usually go to school at 7:00 否定句 She goes to school at seven thirty .改为否定句 I go to school at half past seven. 是什么意思 I usually go to school at half p_____ seven. 改错 I go to the school at seven every day I go to school 【at seven】对括号部分提问