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表示“意志”或“愿意”，would 则指过去愿意做…… 例句： 1. He said that he would help us. 2. You may telephone if you will accept this job. would可以表达“过去习惯做……”类似于“used to do” 例句： 1. When we were children, we would go swimming every summer in that river. 表示请求，固定的句型：Will/Would you please do…? / Would you like to do…? 例句：Will/Would you please give him a message when you see him ? shall 1. 用于第一，三人称，表示“请求”;“建议” 或“推荐” 例句： 1. Shall we start the meeting now? 2. Shall I watch TV now ? 3. Shall my son carry the case for you ? 2. 用于第二人称，表示“命令，“要求”，“许诺” 例句： 1. You shall take whatever you like. 2. You shall not go to the party with me if you make so much noise again. 在表示推测的否定句或疑问句中，常用can /can’t /could / couldn’t表示，意思是：“可能…吗?”;“…不可能…”。而不能使用mustn’t或must等词。 (责任编辑：admin) |