Don't have that was his car!这个句子总来说是一个否定的祈使句。don 't 加动词原形,表示不要做某事。比如,
Don't take the books away.别把书拿走。
另外,这个句子当中,Have Jack wash his car,Have是一个使役性动词,Have sb。do sth,表示叫某人做某事。
例如,My brother broke his bike and had me repair it。我弟弟弄坏了他的自行车,叫我帮他修。
have sb do sth中sb. 是主动的做某事的,这时sb. 与do之间形成一个逻辑上的主谓关系。
Have还可以接宾语+过去分词,这时候宾语常为某物,表示某物被什么什么,有被动语态的语气。例如,
I had my hair cut yesterday。我昨天理了发。
Could you please help me had my bike repaired?你能帮我把单车修了吗?