用于现在完成时的句型 篇一
现在完成时是英语语法中常用的一种时态,通常用来表示过去发生的动作对现在造成的影响或结果。现在完成时的构成是由助动词“have/has”和过去分词构成。在句子中的位置通常是“主语 + have/has + 过去分词”。
现在完成时的句型可以用来描述已经完成的动作对现在的影响,也可以用来表示持续到现在的动作或状态。以下是一些常见的用于现在完成时的句型:
1. 表示过去发生的动作对现在造成的影响:
- I have lost my keys. (我丢了我的钥匙。)
- She has finished her homework. (她已经完成了她的作业。)
- They have already left. (他们已经离开了。)
2. 表示动作从过去一直持续到现在:
- I have lived in this city for five years. (我在这座城市已经住了五年了。)
- She has worked at the company since 2010. (她自2010年以来一直在这家公司工作。)
- They have known each other for a long time. (他们彼此认识很久了。)
3. 表示动作刚刚发生:
- I have just finished my dinner. (我刚刚吃完晚饭。)
- She has already left for the airport. (她已经去机场了。)
- They have only been here for a few minutes. (他们才到这里几分钟。)
现在完成时的句型在英语中非常常见,能够帮助我们清晰地表达过去发生的动作对现在的影响或结果。通过学习和掌握这些句型,我们可以更加流利地运用现在完成时,使我们的语言表达更加准确和自然。
用于现在完成时的句型 篇二
现在完成时是英语语法中的一种时态,通常用来表示过去的动作或经历对现在的影响或结果。在现在完成时的句子中,我们通常使用助动词“have/has”和过去分词构成。
以下是一些常见的用于现在完成时的句型,帮助我们更好地理解和运用这一时态:
1. 表示已经完成的动作对现在的影响:
- I have visited Paris. (我去过巴黎。)
- She has studied English for five years. (她学英语已经五年了。)
- They have already finished their lunch. (他们已经吃完午餐了。)
2. 表示动作从过去一直持续到现在:
- I have known him since we were kids. (我认识他从我们还是孩子的时候。)
- She has lived in London for ten years. (她在伦敦已经住了十年了。)
- They have been friends for a long time. (他们是很久的朋友了。)
3. 表示刚刚发生的动作:
- I have just finished my presentation. (我刚刚完成了我的演讲。)
- She has already left for the airport. (她已经去机场了。)
- They have only been here for a few minutes. (他们才到这里几分钟。)
现在完成时的句型可以帮助我们更清晰地表达过去发生的动作对现在的影响或结果,也可以表示动作从过去一直持续到现在,甚至可以表示刚刚发生的动作。通过学习和掌握这些句型,我们可以更加准确和自然地运用现在完成时,提升我们的语言表达能力。
用于现在完成时的句型 篇三
用于现在完成时的句型
1)It is the first / second time…. that…结构中的从句部分,用现在完成时。It is the first time that I have visited the city.
It was the third time that the boy had been late.
2)This is the… that…结构,that 从句要用现在完成时.
This is the best film that I've (ever) seen.
这是我看过的最好的`电影。
This is the first time (that) I've heard him sing. 这是我第一次听他唱歌。
典型例题
(1) ---Do you know our town at all?
---No, this is the first time I ___ here.
A. was B. have been C. came D. am coming
答案B. This is the first time 后面所加从句应为现在完成时,故选B。
(2) ---Have you ____ been to our town before?
---No, it
's the first time I ___ here.A. even, come B. even, have come C. ever, come D. ever, have come
答案D. ever意为曾经或无论何时,反意词为never,此两词常用于完成时。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中,从句要用完成时。
注意:非延续性动词的否定形式可以与表示延续时间的状语连用。即动作不发生的状态是可以持续的。
(错)I have received his letter for a month.
(对)I haven't received his letter for almost a month.