英语语法知识：动词时态、语态

       动词时态、语态

1、英语语法知识学习现在时

　　主要用来表示人、事物的现在状况和特点；表示经常或习惯性的动作，句子中常有often, always, from time to time 等时间状语； 表示客观法令跟永恒真谛等。

　　 He usually goes to work at 7 o’clock every morning. CopyRight .com

　　 She has a brother who lives in New York.

　　 The earth goes around the sun.

　　Guangzhou is situated in the south of China.

　　英语语法知识一：表示永恒的真理，即使浮现在从前的语境中，仍用一般现在时。如： CopyRight .com

　　I learned that the earth goes around the sun when I was in primary school. CopyRight .com

　　英语语法知识二：在时间和条件状语从句中，取代一般将来时；常用的引导词有：

　　时间：when, until, after, before, as soon as, once, the moment/the minute, the day; 前提：if, unless, provided.

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　　If he accepts the job, he will get more money soon. 内容来自

　　英语语法知识三：在make sure (certain), see to it, mind, care, matter ＋宾语从句， 从句用一般现在时代替个别将来时。 内容来自

　　 So long as he works hard, I don’t mind when he finishes the experiment. 内容来自

　　 只有他努力工作， 我不介意他什么时候做完试验。

　　英语语法知识四：在the more… the more … (越……越……) 句型中, 若主句是普通未来时, 从句通常用个别当初时。

　　 The harder you study, the better results you will get.

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　　2、英语语法学习现在进行时

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　　 表谈话时或目前一段时间内正在进行的活动：或表情感颜色，加强语气。与频率副词，如always，constantly，continually，again等连用表示谈话人的某种感情色彩（赞叹、厌烦、埋怨等）。

　　 We are having English class.

　　The house is being built these days. CopyRight .com

　　 The little boy is always making trouble. CopyRight .com

　　英语语法知识一：在时间状语或条件状语从句中表示将来正在进行的动作。

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　　Look out when you are crossing the street.

　　Don't wake him up if he is still sleeping at 7 tomorrow morning.

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　　英语语法知识二： 表示在最近按盘算或安排要进行的动作（这时多有表示将来的时间状语）。 内容来自

　　Marry is leaving on Friday.

　　3、现在完成时

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　　表现动作发生在从前，实现在过去，但强调与现在情况仍有联系，其结果或影响仍存在。现在完成时有一些标志性的时光状语：

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　　英语语法知识一：for + 时间段；since + 时间点 内容来自

　　They have lived in Beijing for five years.

　　 They have lived in Beijing since 1995.

　　I have learned English for ten years. 内容来自

　　英语语法知识二：常见的一直定的时间状语：lately; recently, just, already, yet, up to now; till now; so far, these days,

　　 Has it stopped raining yet ?

　　英语语法知识三：在表示“最近多少世纪/ 年/ 月以来…&hellip时间状语中，谓语动词用现在实现时。 内容来自

　　in the past few years/months/weeks/days；over the past few years; during the last three months; for the last few centuries, through centuries; throughout history 等

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       英语语法知识四：表示“第几次做某事，”或在 “It is the best (worst, most interesting ) +名词 ＋that” 后面跟现在完成时。

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　　This is my first time that I have visited China. CopyRight .com

　　This is the most interesting film I have ever seen.

　　That is the only book that he has written.

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