第1个回答 2016-10-20
1、don't 开头引导的属于祈使句,与tom人称无关,是说话人对第二人称的命令、建议、要求等等
例句:turn on the light please, tom
2、辨析:jack and his parents (watch) tv at home
jack with his parents (watches)tv at home
with sb属于状语,与原句的主谓宾结构没有关系,所以主语依旧是jack,故用三单
做类似的题可以把with sb 的结构后置,变为 jack(watches)tv at home with his parents,不影响句意,更方便判断。
望采纳!