现在完成时——英语公开课

Grammar
现在完成时
Have you ever
_____ you ever ______ somebody so much . It makes you cry. _____ you ever ______ something so bad . You can't sleep at night. _____ you ever ______ to find the words . But they don't come out right . Have you ever, have you ever . _____you ever ______ in love been in love so bad. You'd do anything to make them understand. _____ you ever____ someone steal your heart away. You'd given anything to make them feel the same .
I have taught English for 8 years. I have taught English since 8 years ago. for + 一段时间 I have taught English since 2007. I have taught English since I left school. (表示过去某一时间的)时间点
Have you ever watched Crazy Animals City? Crazy Animals City has shown and my friend Lu Han wanted to watch it with me.
Lu: I’ve arrived in the cinema. : How long have you been in the cinema? Lu: I’ve been here for 10 minutes.
since 4. My friends haven’t visited me ___________ my birthday.
for 5.She hasn’t had a good cup of coffee _______years.
since two years ago. 6. Tom has worn glasses _________
start / begin
（非持续）
be on
（持续）
(2 hours later)
L: Where are you? The movie was over. I have left.
S: I’m on my way. How long have you been away?
L: I have been away since the movie was over.
动作或状态发生在过去,但它的影响现在还存在。 They have left. --他们已经离开了.(也就是说现在他们人不在这里)
也可表示持续到现在的动作或状态。 He has learned English since 2001. --他从2001年开始学英语构成形式
since +
具体时间+ago 从句(一般过去时)
for 15 years. 1. Mr. Brown has had his TV ________ since last month. 2. I’ve taken driving lessons _________
3. Tom has worked in the factory _________ since he left school ten years ago.
肯定句：主语+have/has +过去分词 一般疑问句：Have/Has+主语+过去分词 否定句：主语+have/has +not+过去分词
I have taught at No.44 Middle School for 5 years.
-- How long have you studied at No.56 Middle School? for 2 years. -- I have studied at since 2 years ago. since 2014. this school since I was 13.
Have you ever
_____ Have you ever ______ loved somebody so much . It makes you cry. _____ you ever ______ Have needed something so bad . You can't sleep at night. _____ you ever ______ Have tried to find the words. But they don't come out right. Have you ever, have you ever. _____ you ever ______ been in love Been in love so bad. Have You'd do anything to make them understand. _____ you ever____ Have had someone steal your heart away. You'd given anything to make them feel the same.
arrive
（非持续）
be (in/at)
（持续）
S: Have you bought the tickets?
L: Yes, I have. I have had them for 1 day.
buy
（非持续）
have
（持续）
L: The movie has started. S: How long has the movie been on? L: It has been on for 20 minutes!