2、台上inthestage：在某一阶段,时期intheearlystageinourhistory。在我们的历史早期。★stockingn.（女用）长筒袜★sockn.短袜【Specialdifficulties】情态助动词must情态动词must和have to都有“必须”的含义，它们的用法如下：（一）、 must “必须”、“应该”1.must 表示“必须”、“应该”。①We must protect our environment.(我们必须保护环境。）②Everyone must obey the rule.（人人必须
3、遵守制度。）2. must的否定形式must not表示“不应该”、“禁止”、“不准”。语气比较强烈。①You mustn’t speak like that.(你不应该像那样讲话。）②You mustn’t be late for school.（你不应该上学迟到。）3.在回答must的问句时，肯定形式用must来回答，但否定形式用needn’t 或don’t have to来回答。而不用mustn’t来回答。例如：①——Must I be home before 8 o’clock?——Yes, you must.
4、 No, you needn’t./No, you don’t have to.（二）、have to 表示“必须”、“不得不”，例如：①He has to stay in bed for 3 or 4 days. ②We will have to get up early tomorrow.补充：have got to是 have to的口语形式。 ①I’ve got to leave for Nanjing.*Must与 have to的区别：must表示的是说话人的主观看法，而have t
5、o则表示的是客观需要。Must一般只有现在时，而have to有更多的形式。①I must go now.(主观看法)② My mother is ill, so I have to go now.(客观需要)1.----Must I do it now? -----No, you _______.A. needn’t B. don’t have to C. mustn’t D. A or B2.It’s nearly seven o’clock. Jack ______be here at any time.
6、A. must B. need C should D can.3.When can I come for these photos? I need them tomorrow afternoon. -------They ____be ready by 12:00.A. can B. should C. might D. need【课文讲解】MyauntJenniferisanactress.Shemustbeatleastthirty-fiveyearsold.Inspiteofthis,sheofte
