homework的意思是“（学生的）家庭作业，课外作业；准备工作”。homework是不可数名词，没有复数形式，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)。

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。

I have to do a lot of homework for tomorrow's meeting. 明天要开会，我还要做许多准备工作。