All the students were very excited怎么变否定,肯定回答,怎么变一般疑问句,否定句

All the students were very excited怎么变否定,肯定回答,怎么变一般疑问句,否定句 All the students were very excited 怎么肯定否定回答 All the students were very excited改成否定句,改一般疑问句,作肯定和否定回答 The students were very excited to hear the news.一般疑问句肯定否定回答 All the students were very happy 变为否定句、一般疑问句、做肯、否定回答 英语肯定句变否定句怎么变?陈述句变一般疑问句?,陈述句变特殊疑问句? 变 否定句 一般疑问句 肯定回答 否定回答 疑问句变否定句,疑问句变肯定句,否定句变疑问句,否定句变肯定句怎么变? He was very happy 的一般疑问句和否定句,肯定 否定回答咋变 There were three students in the chassroom.否定句：一般疑问句：肯定,否定回答 they were very happy yesterday.变为一般疑问句和否定句怎么变? he is swimming across the river.变否定句、一般疑问句、肯定回答、否定回答急需