Phrase
perfect tenses
完成时（态）
perfect tenses is the plural of perfect tense.
A grammatical tense used to express an action or state that has been completed, formed in English with have/has/had plus a past participle.
- 1.
A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future.
完成时
完成时；完成时态
In use
The perfect tense can be tricky for English learners.
We usually use the perfect tense to connect a past action with the present.
Could you write this sentence in the perfect tense?
use the perfect tense
这里'use'是及物动词，直接跟名词短语。
You should use the perfect tense to describe past events with present relevance.
你应该使用完成时态来描述与现在相关的过去事件。
be in the perfect tense
介词'in'表示所处的状态。
This verb form is in the perfect tense.
这个动词形式是完成时态。
Common mistakes
Perfect tense is used to describe past actions.The perfect tense is used to describe past actions.
中文学习者常遗漏冠词'the'，因为汉语中没有冠词。加冠词后句子才符合英语语法。
I am studying about perfect tense.I am studying the perfect tense.
在英语中，表示'学习某种时态'时通常直接跟宾语，不加介词'about'。去掉'about'并加冠词更自然。
Connections
Confusing words
- past tense
- 过去时 · 过去时侧重动作发生在过去且已完成，而完成时强调与现在的关联或持续到现在的动作
- present perfect
- 现在完成时 · 现在完成时是完成时的一种，但完成时还包含过去完成时和将来完成时，使用时要区分具体的时间参照点
Word family
- perfect tenses
- plural
Learner notes
Grammar Note
完成时态，由have+过去分词构成
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.