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...
The meaning of PRESENT PERFECT is of, relating to, or constituting a verb tense that is traditionally formed in English with have and a past participle and that expresses an action or state begun in the past and completed at the time of speaking (as in '
The present perfect continuous refers to an unspecified time between ‘before now and now’ ,the speaker is thinking about something that period of time, he/she is interested in the process as well as the result ,and this process may still be going on ,or may have just finished. 1.Exampl...
Present Perfect (ll)I have called you.I've been there before It has reached 1.37 billion.…Have you found him Have you been to the cinem a nearby?Functions I really going to a place like that.do I.It is increasing90 million every year.the population in developing countries is that in...
I have lost my keys, so I can't find them. Lost in the past, affects the present Tips Past simple uses a verb form like "studied," "visited," "bought." while present perfect uses "have/has" +past participle(studied, visited, bought). ...
百度试题 结果1 题目Choose the correct form of the verb "have" for the present perfect tense: A. has B. have C. had D. having E. t) I borrowed from the library is fascinating. 相关知识点: 试题来源: 解析 has 反馈 收藏
The structure of the Present Perfect is: have/has done 现在完成时结构:have/has done ● When we talk about something that happened in the past, but we don’t specify precisely when it happened, we usethe Present Perfect. ● 表示某事发生在过去,但并未给出具体的发生时间,用现在完成时。
present perfect结构 Present perfect is a verb tense in English that is used to express an action that has been completed in the past but has a connection to the present. It is formed using the auxiliary verb "have" (in the present tense) followed by the past participle of the main verb...
【题目】6 We form the present perfect tense with have/has and the past participle of the verb.You are writing about a friend's travels in your diary. Complete your diary entry using the correct forms of the verbs in brackets.My friend Jack is enthusiastic about travelling. He has sent ...
★ They have asked me to join the company on a number of occasions.★他们曾多次邀请我加入他们的公司。◆ When we want to emphasize that a situation has changed over a period of time up to now and may continue to change, we prefer the Present Perfect Continuous to the Present Perfect. ...