英语语法：现在完成时表示从过去某一时间到说话时这一过程中动作发生次数的总和

1、.英语语法：如今完成时，表示从过去某一时间到说话时这一过程中动作发生次数的总和1. 动词形式behavedo动词形式have beenhas beenhave hadhas hadhave workedhas worked2.如今完成时的用3表示从过去某一时间到说话时这一过程中动作发生次数的总和，常同频度副词always,often, seldom, never等连用。比方：We have built many overpasses in the city in the past three years.在过去三年

2、中我们在这个城市里造了许多立交桥。I have read about twenty pages this morning.今天上午我已经读了近20页。 They have done it a lot of work since they came here.自从他们到这儿以来，他们做了大量工作。I have seen movie twice.我已经看过这部电影两次了。My sister has taken English test three times.我姐姐已经参加英语考试三次了。I hav

3、e been to the Great Wall twice.我曾经去过长城两次。He has done a lot of work in the past two years.在过去两年中他做了许多工作。 I have learned about two hundred English words this morning.本月我学了大约200个英语单词。 It has rained every day this week.这个星期天天下雨。 She has always&

4、#160;walked to school.她一直步行去学校。 I have never seen such a beautiful bird.我从没见过这么美丽的鸟。 I have often met the old man on my way to work.我在上班的路上常常遇见那位老人。一、选择填空。37. They were discussing the rules of the competition. They _ the prize winner air fare to

5、 and from Tokyo.A.offer             B.will offerC.are offering  D. were going to offer38 . How is the food?     Not very good. But we _ off everything.A.finished  B. have finishedC.finish     D. had f

6、inished参考答案:1-2:DB二、分析句子的语法构造，并译成中文。1.They were discussing the rules of thecompetition. They were going to offer the prize winner air fare to and fromTokyo.2. Summer weather patterns are increasingly likely to stall in Europe, North America and parts of Asia, according to a new climate study that explains