1 used for asking for information or advice （用于询问数据或意见）: What time shall I come? 我该什么时候来呢？Where shall we go for our holiday? 我们到哪里去度假呢？

2 used for offering to do sth （用于提供帮助）: Shall I help you carry that box? 我来替你搬那个箱子好吗？Shall we drive you home? 我们开车送你回家好吗？

3 shall we used for suggesting that you do sth with the person or people that you are talking to （用于提出建议）: Shall we go out for a meal this evening? 我们今天晚上出去吃饭好吗？ ☞For more information about modal verbs, look at the Quick Grammar Reference section at the back of this dictionary. 有关情态动词的详细用法，参看本词典末“语法便览”部份。

4 (formal 正式) used with ‘I’ and ‘we’ in future tenses, instead of ‘will’ （在将来时中，I和we与shall连用而不和will连用）: I shall be very happy to see him again. 如果能再见到他我会很高兴。We shan't be arriving until ten o'clock. 我们十点之前到不了。At the end of this year, I shall have been working here for five years. 到了年底，我就在这里工作五年了。

5 (formal 正式) used for saying that sth must happen or will definitely happen （用于表示某事必须或必定发生）: In the rules it says that a player shall be sent off for using bad language. 根据比赛规则，运动员说粗话必须下场。