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初中英语一般现在时构成

发布:2020年06月12日编号:2056-1061627
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详细描述

(一)时态构成:

  一般现在时主要由动词的原形表示,如果主语是第三人称单数,则在动词原形后加-s或-eswww.xbaixing.com

  (二)时态的用法:

  1、表示经常发生的动作、存在的状态和现阶段的习惯

  常用的时间状语有:often, sometimes, usually, always, seldom, in the morning, every day, on Sunday 等小+百+姓+网。如:

  He is always ready to help others.

  The students have sports at five every afternoon.

  Does he work hard?

  2、表示不受时间限制的事实或普遍真理

  Three plus two is five.

  A plane is faster than a car.

  China is in Asia.

  Light travels faster than sound.

3、在含时间和条件状语从句的复合句中

  主句用一般将来时,从句则用一般现在时表示将来动作www.xbaixing.com小百姓网。如:

  I will stay at home if it rains tomorrow.

  She’ll go to see him as soon as she arrives.

  When they come, they’ll tell you something important.

  4、在含宾语从句的复合句中

  尽管主句用过去时态,但如果宾语从句所述内容是客观真理,从句谓语动词仍然用一般现在时sEg。如:

  The teacher told her pupils that the sun rises in the east.

  5、表示已经安排或计划好将来必定会发生的动作或存在的状态

  一般用be, come, go, arrive, leave, start等动词www.xbaixing.com。如:

  My birthday falls on May 2.

  The meeting is at 2:00 p.m.

  His ship leaves at 9:00 a.m.

  6、图片说明、电影说明、解说戏剧内容及场景动词常用一般现在时x_b_a_i_x_i_n_g_c_o_m。如:

  Scene 1 ( Mary and Miss Green are in the professor’s room-a large ,pleasant room with many books. There is a big desk near the window. )

  7、几个由here, there 开头的句子

  动词用一般现在时表示现在正在进行的动作小+百+姓+网。如:

  There goes the bell. Let’s hurry.

  Here comes the teacher.

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