present perfect基本解释
名词现在完成时
present perfect网络解释
1.
1. 现在完成时：现在完成时(Presentperfect)过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在的动作或状态.
2. 現在完成式：Future Continuous =未來進行式 | PresentPerfect =現在完成式 | Future Perfect =未來完成式
3. present perfect
3. 现在完成时(短语)：passive voice,,被动语态(短语),15 | presentperfect,,现在完成时(短语),15 | suitable,,adj.合适的;适宜的,15
present perfect词典解释
1. 现在完成时的
In grammar, the present perfect tenses of a verb are the ones used to talk about things which happened before the time you are speaking or writing but are relevant to the present situation, or things that began in the past and are still happening. The simple present perfect tense uses 'have' or 'has' and the past participle of the verb, as in 'They have decided what to do'.
present perfect什么意思
present perfect英英释义
noun
1. a perfective tense used to express action completed in the present
e.g. `I have finished' is an example of the presentperfect
Synonym: present perfect tense
