present perfect基本解釋

名詞現(xiàn)在完成時

present perfect網(wǎng)絡解釋

1.

1. 現(xiàn)在完成時：現(xiàn)在完成時(Presentperfect)過去發(fā)生并且已經(jīng)完成的動作對現(xiàn)在造成影響或后果,過去某一時間開始并一直持續(xù)到現(xiàn)在的動作或狀態(tài).

2. 現(xiàn)在完成式：Future Continuous =未來進行式 | PresentPerfect =現(xiàn)在完成式 | Future Perfect =未來完成式

3. present perfect

3. 現(xiàn)在完成時(短語)：passive voice,,被動語態(tài)(短語),15 | presentperfect,,現(xiàn)在完成時(短語),15 | suitable,,adj.合適的;適宜的,15

present perfect詞典解釋

1. 現(xiàn)在完成時的
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英英釋義

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