一般过去时：过去一个时间发生的单一事件,代表在讲话时 就已经发生过的事
现在完成时：
Have you ever(曾经） watched basketball on TV?
I have been a basketball fan since（自从） I was little
I have heard a lot about him. He is really great!
I have lived in Bei Jing for 10 years.
现在完成时的用法一：主语+have/has done, 表示从过某一时间一直持续到现在的动作或者状态，且将 来仍有可发生。
时间状语： 常与since + 过去的时间点，for + 一段时间等表示一段时 间的状语连用。
现在完成时的用法一：主语+have/has done. 常与since + 过去的时间点，for + 一段时间等表示一段 时间的状语连用。
时态-现在完成时（2）
一、Why do we learn the present perfect tense?（1）
Have you ever(曾经） watched basketball on TV?
No, never（从未）, what about you？
Yes, I watched basketball a lot.
现在完成时态
主语+have+动 词的过去分词
I have been a basketball fan since（自从） I was little
现在完成时
past
present(now) future
二、What is the difference in the meanings between these two tense?
一般过去时：
现在完成时：
In fact, I watched the L.A. Lakers play yesterday.
一般过去时
yesterday
present(now) future
二、What is the difference in the meanings between these two tense?
现在完成时态
主语+have/has done
一、Why do we learn the present perfect tense?（1） 提升表达的多样性，准确性。
一、Why do we learn the present perfect tense?（2）
考点
现在 完成 时态
要求 掌握
2010
C. has worked D. is working
一、Why do we learn the present perfect tense?（2） 提高做题的准确率和速度，提升跻身名校的几率
二、What is the difference in the meanings between these two tense?
一般过去时
主语+动词的 过去式（did)
Have you ever(曾经） watched basketball on TV?
I have been a basketball fan since（自从） I was little
I have heard a lot about him. He is really great!
for +一段时间
tudied English for 3 years.
Oh, I see. By the way, who is your favorite player?
他们赢了吗？
必须的啊，我老开心了，你 不知道，从我小时候开始， 我就喜欢打篮球。
哦，这样啊，对了，那你喜 欢哪个球员啊？
Kobe Bryant, of course.
I have heard a lot about him. He is really great!
一般过去时：过去一个时间发生的单一事件,代表在讲话时 就已经发生过的事
现在完成时的用法二：主语+have/has done, 表示从过某一时间一直持续到现在的动作或者状态，且将 来仍有可发生。
辨析
i have lived in BJ for 10 years.
I lived in Bei Jing for 10 years.
32题 1分
北京市5年中考统计 2011 2012 2013
31题 1分
32题 1分
32题 1分
2014
32题 1分
题型
完形 填空
中考 预测
☆☆ ☆
（2014，北京） 32. He _____ in this factory for 20 years already.
A. will work
B. works
In fact, I watched the L.A. Lakers play yesterday.
你在电视上看过篮球比赛吗？
没有，从来没看过。你呢？
哎呦，我看超多的哦。 实际上，我昨天刚看了湖人 的比赛。
Did they win?
Yes, of course. I was so happy. I have been a basketball fan since（自从） I was little
since+过去的时间点 I have been here since 2000.（单词） I have been here since 5 years ago.（词组） I have been here since I graduated in 2000. （从句<过去时态>）
现在完成时的用法一：主语+have/has done. 常与since + 过去的时间点，for + 一段时间等表示一段 时间的状语连用。
Yeah, I agree.
当然是科比，布莱恩特了。
我听说过很多关于他的消息 呢，他真的很棒！
嗯，我同意。
Yes, I watched basketball a lot.
In fact, I watched the L.A. Lakers play yesterday.
Yes, of course. I was so happy.