Jim and Amy are good at English.改为否定句

问题描述:

Jim and Amy are good at English.改为否定句

Jim and Amy are good at English.(Jim和Amy英语很好)
改为否定句:Jim and Amy aren‘t good at English.(Jim和Amy英语不是很好)
改为一般疑问句:Are Jim and Amy good at English?(Jim和Amy英语很好吗?)