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現在完成式最簡單的功能就是指「已經完成」某件事. I have washed the dishes.
The present perfect tense is an English verb tense used to describe an action that began in the past (despite being a present tense). For example: John has taken Sarah's advice. They have fixed the fence. The present perfect tense is formed liked this: [subject] +. "has" or "have" +. [past participle]
Level: beginner. The present perfect is formed from the present tense of the verb have and the past participle of a verb. We use the present perfect: for something that started in the past and continues in the present: They've been married for nearly fifty years. She has lived in Liverpool all her life.
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The present perfect is a verb tense which is used to show that an action has taken place once or many times before now. The present perfect is most frequently used to talk about experiences or changes that have taken place, but there are other less common uses as well.
Verb tenses show us when an action takes place: in the present, past or future. Each of the three main tenses has a progressive, perfect and perfect progressive aspect which give us more information. This table of tenses in English grammar provides an overview of the 12 different verb tenses with examples, usage tips and signal words.
The present perfect tense connects the past with the present; it expresses completed past actions and experiences that have an influence on or connection to the present. We use the present perfect when the exact time of the action is not important.
Regular verbs. We use the present perfect tense. show the result of an action. to. e.g. (a) Sam is eating a chicken leg. Sam has eaten a chicken leg. We cannot use the present perfect tense with adverbs of time, e.g. yesterday, two weeks ago. did my homework yesterday. have done my homework yesterday. Practice 1. Already / yet.
What is the present perfect tense & when do we use it? How to form the present perfect: Positive, Negative, Questions. What is the past participle? Present perfect with ever/never. Present perfect with already, yet, recently, lately, just. Present perfect with for and since. Present perfect active voice and passive voice.
The present perfect verb tense is a little difficult in English – it is used in several different ways, and there are lots of rules to remember. This lesson will teach you everything you ever wanted to know about the present perfect – try the four quizzes with grammar exercises in each section!
Learn about USING the present perfect here. For a list of all the present perfect exercises, click here. To make the positive present perfect tense, use: 'have' / 'has' + the past participle. Make the past participle by adding 'ed' to regular verbs (for example, 'play' becomes 'played')
