知识要点
can/could 有什么用?
情态助动词can/could的用法主要有以下几点:
1、表示能力 I can swim.
2、表示(请求)许可 Can I help you? You can have a rest.
3、表推测 That can be very nice. That man can’t be Tom.
can 和 could有什么区别?
表示能力时:
can是动词原形,表示现在的能力;
could是过去式,表示过去的能力。
表示请求(许可)时:
could的语气会更委婉。
那将来的能力怎么表示?
用be able to的将来时时态表示。 I’ll be able to perform ballet.
表示许可can/could可以通杀所有场合吗?
不能。特定场合的许可我们会用 allow等的适当形式表达。
开心练习
用can/could填空
1、A: My father _________ lift a pig with one hand. _________ your dad do that?
B: I’m not sure. Where do you get a pig with one hand?
笑点学词
with 表示“用(某工具等)”,也可表示“有(某附属物等)”。
2、A: Angela, since I met you I _________ eat and I _________ drink.
B: Oh Bruce! Is it because you love me so much?
A: No. It’s because I haven’t got any money left.
笑点学词
get 主要有以下几种用法:
- 用法一:用于“get+名词+宾补”, 如: Go and get your hair cut. 去把头发理了。
- 用法二:用作连系动词,表示状态的变化,如:The weather gets warmer. 天气变暖。 We got lost. 我们迷路了。
- 用法三:用作实义动词,表示得到等,如:I got the letter from my pen pal. He got to the airport.
3、A: Why are you hitting your dog with a chair?
B: Because I _________ lift the table!
笑点学词
hit US: [hɪt] UK: [hɪt] v. 打;打击;击中;命中 n. 打;击中;命中;很受欢迎的人(或事物)
4、An old lady was at the side of the road. A boy came along.
“Young man, “the old lady said. “_______ you see me across the road?”
“I don’t know,” said the boy. “I’ll go and have a look.”
笑点学词
see v. 看;参见;看见;见到
have a look 看一看
5、A: Waiter, ________ you get me some undercooked potatoes, some cold beans and a cold fried egg covered in fat?
B: I’m sorry, sir, but we couldn’t give you anything like that.
A: Why not? That’s what you gave me yesterday.
笑点学词
undercooked 未煮熟的,欠火候的
fat n. 脂肪;肥肉;(烹调用的)动植物油;(人体摄入的动植物)脂肪 adj. 肥的;肥胖的;厚的;宽大的
参考答案:
学着幽默
can、could和be able to都可以表示“能够”。请用这三个词表述自己的能力,造三个句子并设法让它们在一起时产生幽默效果。
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