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Have won
haven’t travelled
have been
现在完成时(1)
The Perfect Tense
现在完成时表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响,也可以表示到目前为止已经完成的事情。谓语部分由“have / has+动词的过去分词”构成(第三人称单数形式用has, 其他人称用have)。
一、现在完成时的句式
1. 肯定句式:“主语+have / has+动词的过去分
词+其他”。如:
They have found the hotel.
Sue has visited the Great Wall.
2. 否定句式:“主语+have / has +not+动词的过
去分词+其他” (have not 和has not可分别缩写
为haven’t和hasn’t)。如:
They haven’t found the hotel.
Sue hasn’t visited the Great Wall.
3. 一般疑问句式:“Have / Has+主语+动词的
过去分词+其他?”。肯定回答为“Yes, 主语
(人称代词)+have / has.”,否定回答为“No,
主语(人称代词)+haven’t / hasn’t.”。如:
(1) —Have they found the hotel?
—Yes, they have. / No, they haven’t.
(2) —Has Sue visited the Great Wall?
—Yes, she has. / No, she hasn’t.
1) have a Western meal
Have you ever had a Western meal?
Write questions for the questionnaire with Have you ever…?
2) live in another city
Have you ever lived in another city?
3) enter a singing competition