auxiliary verb[~+root form of a verb] to be able to; have the ability to:She can solve the problem easily. to know how to:I can play chess, but not very well. to have the right or qualifications to:He can change whatever he wants to in the script. ...
2. Tense: The first clause uses the past tense "could not find," suggesting the second clause should also be in the past tense. 3. Verb Form: The sentence requires the past tense form of "decide," which is "decided."反馈 收藏
could't是错误的,英语中没有这样的组合缩写,couldn't是正确的,表示不能,是could not的缩写形式。 重点词汇:could 音标:英[kʊd , kəd] 美[kʊd , kəd] 释义: modal 能,会; (询问是否可做某事)能,可以; (礼貌地请求别人做事以及提供或建议某事物时)能,可以; 可能会,有时会; (用于建...
Talk about the past form “could” of the modal verb “can” and its negative form “couldn’t”. (1)She can fly kites very well now. But one year ago, she couldn’t do it at all. (2)She can perform ballet very well now. But when she was five, she could dance just a little...
百度试题 题目Using a non-finite verb form:She stood up so that she could be seen better.相关知识点: 试题来源: 解析 正确答案:she stood up in order to be seen better.解析:要求用非限定动词改写句子。此处可以将so th 反馈 收藏
What is the verb form "were" in this sentence? A. past tense of "be" B. present tense of "be" C. subjunctive form of "be" D. future tense of "be" 相关知识点: 试题来源: 解析 C。原因:在虚拟语气中,“be”动词的一般现在时要用“were”,无论主语是单数还是复数。反馈 收藏 ...
The meaning of COULD is —used in auxiliary function in the past, in the past conditional, and as an alternative to can suggesting less force or certainty or as a polite form in the present. How to use could in a sentence.
If you need to use modals in the negative form, then use only “not” AFTER the modal verb. What does the modal must indicate? The modal verb must is most often used toexpress necessity—i.e., that something has to happen or be the case. ...
百度试题 结果1 题目Choose an appropriate verb form.There (was, were) nothing he could do and little he could say.___ 相关知识点: 试题来源: 解析 (1)was 反馈 收藏
This is often done in a polite way, as it does notimply that the speaker is demanding that the other person accept the offer. For example: Could I get you a drink? Could I help you with your bags? Negative Form. The negative form of "could" is "could not" or "couldn't." This...