Do we need to have a rest?
此处,need 是一个实意动词,（因为need 做实意动词时和to 连用）,故借助于助动词do.
加油!顺便再问个问题， goodarehealthgoodhabitsforyour 连词成句，我会多给分的！！Good habits are good for your health.好的习惯对你的健康有益。加油！