(1) homework, housework 为不可数名词,不可加 s。

例如：我今晚作业很多。

正 I have a lot of homework tonight.

误 I have a lot of homeworks tonight.

(2) “做作业”动词用 do,不用 study, make 等词。

例如:我必须做作业。

正 I must do my homework.

误 I must make my homework.

常用口语：

称赞别人在会议、演说等时有备而来,可说 “I can see that you have done your homework.”“我看得出来你做了你的家庭作业 (你是有备而来)”。

homework 与 housework 比较用法

homework ......老师给学生的“家庭作业”,“功 课”。

housework......为维持家庭干净、整齐而必须做的“家务活”。

家庭作业;功课

Have we got any homework? 我们有作业吗？

Have you done your math homework? 你数学作业写好了吗？

I have a lot of homework today. 我今天作业很多。

I have finished my homework. 我做完功课了。