完整版)16种英语时态总结归纳
Tenses (时态) are verb forms that indicate ns。events。and states in different time ns。When we talk about tense structure。we refer to the verb form in the corresponding tense.
There are 16 tenses in English: simple present。simple past。simple future。future in the past。and their progressive。perfect。and perfect progressive forms.
1.Simple Present Tense
Usage:
1) To indicate ns。ns。states。and characteristics that are happening now.
2) To express habits.
3) To denote ns that are regular or habitual.英语时态总结
Example: He always helps others.
4) To state objective facts and universal truths。It's important to note that if the context is not in the simple present tense。the main and subordinate clauses cannot maintain tense consistency.
5) To indicate an n that is led。planned。or arranged to occur in the future (limited to certain verbs that indicate "come。go。move。start。finish。continue") and can be used in n with adverbials that express future time。Common usage includes regular and led n such as airplanes。trains。ships。and cars.
Example: The next train leaves at 3 o'clock this afternoon.
How often does this shuttle bus run?
6) To indicate future events in time and nal clauses。the simple present (and sometimes present perfect) is frequently used.
Example: When you have finished the report。I will have waited for about 3 hours.
2.Present Progressive Tense (be doing)
Usage:
1) To indicate ongoing ns and r at the current stage or time of speaking.
Example: How are you feeling today?
He is doing well in his lessons.
2) To express habitual ns with nal ns such as liking。n。or disgust.
Example: He is always helping us。(n)
你总是让我们做这些事情，这让我感到很烦。
例如，我买了一间新房子，但我还没有卖掉旧房子，所以现在我有两间房子。又如，牛顿是一个伟大的人物，但他的许多观点直到今天还在受到挑战，并且被现代科学家的工作所修正。
常用的时间状语有yet，already，just，never，ever，sofar，by，since加上过去的时间点，eversince，recently，lately，in(during/over)the past/last加上一段时间，for加上时间，before等。
需要注意的是，文章中出现的格式错误和明显有问题的段落已经被删除了。
1.现在完成时是联系过去和现在的纽带。与过去时不同的是，现在完成时强调动作的动态，或受动态的影响，是动态的结果，对现在有影响。例如，He worked in that hospital for 8 years。这只是讲述一个过去的事实，他现在已经不在那家医院了。而He has worked in that hospital for 8 years。则表示他从过去开始工作，一直工作到现在，现在仍在那家医院工作。
2.含有for加一段时间或since加一个时间点这样的时间状语的完成时，具有动态和延续性的特点，因此不能使用终端动词或瞬间动词。例如，My sister has been married for 5 years。这里的过去分词做表语表示状态，可以延续；但是My sister has married。Don't disturb her。则使用了终端动词。
3.在"This is the first/ second/ third……time that……"句型中，要使用完成时。例如，This is the second time that the products of our company have been shown in the nal n。表示我们公司的产品第二次参加国际展览会。
4.句型"It is/ has been……since"所使用的两种时态都正确。例如，It is/ has been 10 years since I last saw him。表示从我上次见到他以来已经10年了。
5.在"before"、"r to"等句型中，主句要求使用完成时。例如，I haven't met that professor r to today。表示以前我从未见过那位教授。而I’ve never seen such a man before。则表示以前我从来没见过这样一个人。
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