this复数,

单数 this that it/he/she is 复数 these those they are
单数 this that it is 复数 these those they are
单数 this that 复数 these those 互为反义词 that this those these
教学目标 可数名词复数 this is a/an these are many
指近处 单数 复数 this 这;这个 these 这些 指远处 that 那;那个