CAN and COULD have multiple uses and multiple interpretations, which can be difficult for learners of English to understand. For example, the difference of Can you help me? and Could you help me? may go unnoticed to an English language learner, but a native speaker of...
In English, “could” is often used as a more polite form of “can”. In Chinese, when we want to be more polite in expressing ability, we may use which word? A. 会 B. 能 C. 可以 D. 可 相关知识点: 试题来源: 解析 C。解析:在英语里could是can更礼貌的形式。在汉语里“可以”比...
(3) 表示过去的能力,有时可用could,有时不能用could,具体应注意以下几点: ① 若表示过去一般的能力(即想做某事就随时可做某事的能力),可用could: Could you speak English then? 那时候你会说英语吗? ② 若表示过去的特定能力(即在过去特定场合做某事的能力),则不能用could,而用was (were) able to do s...
(3) 表示过去的能力,有时可用could,有时不能用could,具体应注意以下几点: ① 若表示过去一般的能力(即想做某事就随时可做某事的能力),可用could: Could you speak English then?那时候你会说英语吗? ② 若表示过去的特定能力(即在过去特定场合做某事的能力),则不能用could,而用was (were) able to do sth...
① 若表示过去一般的能力，可用could：Could you speak English then? 那时候你会说英语吗?② 若表示过去的特定能力，则不能用could，而用wasable to do sth，或用 managed to do sth，或用 succeeded in doing sth 等。He studied hard and was able to pass the exam. 他学习很努力，所以...
Using “couldn’t” in referring to a weaker possibility wouldn’t make sense. (Note 3) To sound less affirmative, I would say: “Well, since the weatherman said so, then it shouldn’t rain tomorrow.” Note 1:Both 'can' and ' could' are modal verbs that refer to 'a possibility'...
1.比较can 和be able to （1）cancould 表示能力；可能 (过去时用could),只用于现在式和过去式(could)。be able to可以用于各种时态。例如：They will be able to tell you the news soon. 他很快就能告诉你消息了。（2）只用be able to。a. 位于助动词后。b. 情态动词后。c. 表示过去某...
例:Could you speak English then? 那时候你会说英语吗? I couldn't find her house 我找不到她的家了。 2)若表示过去的特定能力,需用was (were) able to do sth/managed to do sth/succeeded in doing sth等 例:He studied hard and was able to pass the exam. 他学习很努力,所以考试能及格。
一、读音不同 1、can的英式读法是[kəd]；美式读法是[kəd]。2、could的英式读法是[kæn] ；美式读法是[kæn]。二、词性不同 1、could是can的过去式，表现在和将来。2、can是动词原形比较直接，不留余地；could比较委婉，含有一定的感情色彩。三、用法不同 1、can aux...
10. Excuse me. Could you read the story aloud(大声地), please? I ___ hear you. A. can’t B. mustn’t C. have to D. needn’t 11.—What can you do, Lin Tao? —___. A. I like sportsB. I am well C...