Present perfect tense现在完解析:①现在完成时的定义:现在完成时表示从过去持续到现在的动作或状态,或已完成但对现在有一定影响的动作,另外还用现在完成时表示迄今为止动作发生的次数。 其谓语结构为“have/has+动词的过去分词”。②现在完成时的各种句式: a. 肯定句:主语+ have/has +动词的过去分词+其他.如:Jim...
Perhaps your language has a tense with 'have' and the past participle too! If so, you might be thinking, oh this looks the same. 也许你的语言中也有带 have 和过去分词的时态呢!如果有的话,你可能会想,哦,这看起来一样。 Don't be fooled! The we way we use the present perfect in Englis...
Ⅴ. Translate the following sentences into English using present perfect tense. 用现在完成时翻译句子 1. 我已经完成了家庭作业。(finish) 2. 我已经住在这10年了。(live) 3. 我曾经去过中山公园。(have been to) 4. 你已经给父母写过信了吗? (write to sb) 5. 你以前从未去过那,是吗?
- I have traveled to several countries in Europe. - Have you ever tried sushi? 2. Expressing unfinished actions: The present perfect tense can also be used to describe actions that started in the past but are still ongoing or have a connection to the present. For example: - She has live...
Note: Time Expressions – Present Perfect NEVER use the same time expressions that you use in the past simple tense, such as: yesterday, a week ago, last night. You MAY use unspecific time expressions such as: ever, never, since, for, already, many times, before, so far, yet. ...
Answer the following questions using the present perfect tense. 用现在完成时回答下列问题。Example: How long has he been in the office? ( a whole day)He's been in the office for a whole day.Have you ever been to St. Mark's Square in Venice?(never, there) ...
英语知识点：现在完成时（PresentPerfectTense）2.否定句-主语+have/has+not+过去分词-例句：Shehasnot(hasn't)seenthismovie.（她还没有看过这部电影。）3.疑问句-Have/Has+主语+过去分词？-例句：HaveyoueverbeentoJapan?（你曾经去过日本吗？）4.特殊疑问句-疑问词+have/has+主语+过去分词？-例句：What...
The present perfect tense with already, yet, ever and含有 already、yet、ever和 never的现在never完成时We can use already, yet, ever and never with the present我们能够将 already、yet、ever和 never与现perfect tense.在完成时连用。Sarah has already seen many places of interest in Beijing.萨拉已经...
现在完成时(The present perfect tense)的用法小结 一、构成:助动词have / has+p.p(动词的过去分词) 二、用法:现在完成时既涉及过去,又联系现在。用法一:表示过去发生或已经完成的某一动作对现在造成的影响或结果。常与just(刚刚),already(已经),never(从来没有),ever(曾经),before(以前),yet(仍然),once(一...
Has he helped you? Has she gone to school? Has he sent you an email? Have they bought a new computer? Have you prepared yourself for the exam? Have they started a new business? Have you ever thought about it? Has this ever happened to you?