我周末得上班。

　　A Can you come to lunch on Sunday?

　　A 星期天你能来吃午饭？

　　B No, I’m sorry. I can’t. I have to work at the weekends.

　　B 不，对不起。我不能。我周末得上班。

　　A Oh, that’s a pity. I forgot you work at the weekends.

　　A 哦， 太遗憾了。我忘了你周末要上班。

　　B We could go for lunch another day, if you’d like.

　　B 如果你愿意的话，我们可以改天去吃午饭。

　　A What days are you free during the week?

　　A 你一周哪天有时间？

　　B I’m free on Tuesdays and Wednesdays. I could do either of those days.

　　B 我周二和周三有时间。这两天哪一天都可以。

　　Notes 注释

　　1 When someone asks you a question beginning Can you . . ? / Can you. . ?, the simple response is usually Yes, I can / Yes, I can or No, I can’t / No, I can’t.

　　当某人问你以Can you . . ? / 你能 . . 吗?开头的问句时，通常可以简单地回答Yes, I can / 是的，我能 或者No, I can’t /不，我不能。

　　2 Remember various phrases to describe times, e.g. at the weekend / at the weekend; another day / another day; during the week / during the week; on Tuesdays / on Tuesdays.

　　记住描述时间的短语。例如：at the weekend / 在周末； another day /另一天；during the week / 在一周内；on Tuesdays /在周二

　　3 If you are talking about a possibility, you can use could / could, e.g. We could go for lunch / We could go for lunch; It could rain tomorrow / It could rain tomorrow.

　　如果你在谈论某个可能性，你可以用could /可能。例如We could go for lunch / 我们可以去吃午饭； It could rain tomorrow /明天可能下雨。