do是什么词性有几种

1、do是什么词性do和does都是助动词。 Do you like bananas? Yes, I do . Does he like bananas? No, he doesn't.2、do是什么词do homework/ housework /some reading /some shopping /some cleaning 做作业 /做家务/ 做阅读 /买东西 /大扫除3、do有几种词性to do 中的to 不是介词,而是动词不定式符号.He slipped out,pulling the door to.他溜了出去,虚掩上门.这里的to是副词 表示的意思是：ADV(门)关着,虚掩着就记住这么一个特例,其他的to全部都是介词.例句:1.I've told you time after time not to do that.我一再告诉过你不要干那件事。2.I have some work for you to do.我有些事要你做。