1.结构 构成
主语 + 助动词have/has + 动词过去分词 - has :第三人称单数时使用,其余用have
Present Perfect Tense (现在完成时)过去分词:
Present Perfect Tense (现在完成时)规则变形:同过去式 变形相同 不规则变形:平时积累
规则变形 Notice
- V+ed (worked played) - Ve+d (lived liked) - 辅元辅结尾 ,双写字母+ed eg:stopped planned - 辅音字母+y ,改y为i +ed eg:try-tried,carry-carried
2.现在完成时的否定结构
主语 + haven't /hasn't + 动词过去分词 … eg:I haven't seen you for a long time
3.现在完成时的一般疑问结构
Have/Has + 主语 +动词过去分词…? eg:Have you been to Tibet?
4.现在完成时特殊疑问句结构
特殊疑问词+ have/has + 主语 + 动词过去分词…?
5.Example & Exercise
I have been in Shanghai for 4 years I have been in Shanghai since 2014 for +一段时间 / since +时间点
I have already been to Tibet 我已经去过西藏了 Have you been to Tibet yet? 你已经去过西藏了吗? already 肯定 陈述句 /yet 否定 疑问句
句子结构: 主语+be动词+the+形容词最高级+n+现在完成时主语+have/has + ever +动词过去分词 某人…的 最…的…
Canon is the most beautiful music I have ever heard 卡农是我听过最好听的音乐
我在这里做了十年了 I have been in here for 10 years I have been in here since 2008
你是我这一生中见过的最美的女孩 You are the most beautiful girl I have ever seen
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