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情态动词could的基本句型PPT

什么是情态动词could情态动词是用来表示说话人在某种程度上能够做某事的动词。而could则是can的过去式,表示在过去某个时间点上可以做某事。coul...
什么是情态动词could情态动词是用来表示说话人在某种程度上能够做某事的动词。而could则是can的过去式,表示在过去某个时间点上可以做某事。could有一些特殊的用法和句型,下面将详细介绍。 could用于表达请求2.1 请求帮助Could you help me with this problem, please? (你能帮我解决这个问题吗?)Could you lend me some money, please? (你能借我一些钱吗?)Could you please open the window? (你能打开窗户吗?)2.2 请求允许Could I use your phone? (我能用你的电话吗?)Could I have some more bread, please? (我能再要一些面包吗?)Could I park my car here? (我能在这里停车吗?)2.3 请求建议You could try studying more. (你可以试试多学点。)You could go to the doctor if the pain continues. (如果疼痛持续,你可以去看医生。)You could ask for help if you need it. (如果你需要的话,你可以求助。) could用于表达可能性3.1 表示过去的能力或机会When I was younger, I could run faster. (我年轻的时候,我跑得更快。)He could speak three languages when he was only five. (他五岁的时候就会说三种语言。)3.2 表示推测或假设She could be at home, but I'm not sure. (她可能在家,但我不确定。)They could have missed the bus. That's why they're late. (他们可能错过了公交车,所以他们迟到了。) could用于表达愿望或建议4.1 表示过去的愿望I could have studied harder for the exam. (我以前应该更努力地学习考试。)They could have listened to my advice. (他们以前应该听我的建议。)4.2 表示建议或提议You could take a break and relax. (你可以休息一下放松一下。)We could go out for dinner tonight. (我们今晚可以出去吃饭。) could用于虚拟语气5.1 表示虚拟条件If I had more time, I could visit my friend. (如果我有更多时间,我可以去看望我的朋友。)If she could speak French, she would apply for the job. (如果她会说法语,她会申请那份工作的。)5.2 表示虚拟愿望I wish I could go on vacation. (我希望我能去度假。)If only I could play the piano. (要是我会弹钢琴就好了。)以上就是情态动词could的基本句型的介绍。希望对你理解情态动词could有所帮助。