We form the present perfect with the verb 'have' and the past participle of the main verb. So the main verb here is 'achieve' and 'have' is an auxiliary or help verb. 我们用动词 have 和主动词的过去分词构成现在完成时。所以这里的主动词是 achieve,而 have 是助动词或辅助动词。 It helps...
教材原文中文对译Present perfect tenseWe use the present perfect tense to talk about an我们用现在完成时谈论发生在过去并持续到action that started in the past and continues to the现在的一个动作。present.I have lived here since I was born.我自从出生就住在这儿。We use the present perfect tense ...
Grammar A.Complete the sentences using the present perfect tense of the verbs in brackets. 相关知识点: 试题来源: 解析 答案:haven't finished核心短语/词汇:painting:油画翻译:David和Tommy还没有完成这幅油画。解析:现在完成时的结构:have/has+动词的过去分词,根据主谓的一致性,主语David and Tommy指两个...
现在完成时的结构为:have/has+过去分词,其否定结构为:have/has+not+过去分词,David and Tommy做主语时,助动词用have,finish的过去分词是finished,故答案是haven't finished。 结果一 题目 Complete the sentences using the present perfect tense of the verbs in brackets. David and Tommy ___ (not finish) ...
Use the present perfect tense to express a recent action: - I just ___ (to finish) my homework. - A: have finished相关知识点: 试题来源: 解析 Present Perfect - 表示过去发生的动作对现在造成的影响或结果。 - 例句:I have just finished my homework.反馈 收藏 ...
Present perfect continuous tense现在完成进行时 A Exploring the rules A探索规则Below is a personal account given by a girl who is equipped with a下面是一个配备了一只机械手臂的女孩的个人叙述。 找到使robotic hand. Find the sentences that use the present perfect用现在完成进行时的句子,并填写在下面的...
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Structure of the Present Perfect Tense The Present Perfect Tense is a verb tense used to describe actions or events that happened at an unspecified time in the past or that began in the past and continue to the present. It is formed by using the auxiliary verb “have” or “has” followe...
Complete the conversation. Use the present perfect tense of the verbs in brackets, and for or since where appropriate. Mike: Hi, Kate.Kate: Hi, Mike.Mike: I haven’t seen (not see) your brother around for a long time. (1)___ he___ (move) to ...
现在完成时(The present perfect tense)的用法小结 一、构成:助动词have / has+p.p(动词的过去分词) 二、用法:现在完成时既涉及过去,又联系现在。用法一:表示过去发生或已经完成的某一动作对现在造成的影响或结果。常与just(刚刚),already(已经),never(从来没有),ever(曾经),before(以前),yet(仍然),once(一...