Noun1.present perfect- a perfective tense used to express action completed in the present; "`I have finished' is an example of the present perfect" present perfect tense perfect,perfect tense,perfective,perfective tense- a tense of verbs used in describing action that has been completed (sometim...
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。 ★ ...
"I have a lot of homework this week." - present simple of have meaning the homework for this week, up to now, is unfinished. "I have had a lot of homework this week." - present perfect of have meaning the homework for this week, up to now, is finished. Share Improve this answer...
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。 ★ ...
11、ve a memory of the event; Iknowsomething about the event; I haveexperienceof it2). Present Perfect for changeWe also use the Present Perfect to talk about achange, ornew information:Ihave boughta car.pastpresentfutureLast week I didnt have a car.Now I have a car.Johnhas brokenhis...
1、Present Perfect,现在完成时,构成: have has + 动词的过去分词,用法:,1 表示过去发生的某一动作对现状产生的影响和 后果 。,1) The train has already left .,火车已经开走了。( 说明火车已经不在这里了。),2) I have seen the film many times .,这电影我已经看过好几次了。 (因此对内容比较熟悉...
present perfect adjective :of, relating to, or constituting a verb tense that is traditionally formed in English withhaveand apast participleand that expresses an action or state begun in the past and completed at the time of speaking (as in "I have finished") or continuing in the present ...
1. a perfective tense used to express action completed in the present e.g. `I have finished' is an example of the present perfect Synonym: present perfect tense临近词 present presentably 相关列句 French tense to the present perfect tense in English.(法语中没有和英语的现在完成时完全对应的...
②never表示否定, 放在have / has后, He has never visited the Great Wall. ③ever用于疑问句中,句型为: Have / Has+主语+ever +过去分词?“…曾经……过吗?”用于询问某人过去的经历。Have you ever been to the farm? ④before用于句末,The woman has never heard of that before. ...
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...