2022年中考英语二轮专题复习：现在完成时课件(共20张PPT)

(共20张PPT)
现在完成时
知识点回顾：
动词的几种形式：
原形
单三
现在分词
过去式
过去分词
do
does
doing
did
done
根据动词的形式判断时态：
do
does
doing
did
done
一般现在时
现在进行时
一般过去时
现在完成时
对现在产生的影响，造成的结果
动作发生在过去
现在完成时：
现在完成时：
have / has + done
现在完成时：
I have already done my homework.
一般过去时：
I did my homework just now.
I did my homework just now.
I have already done my homework.
言外之意
字面意思
I have already done my homework.
1.说话前已经完成了，现在产生了结果
I have lived here since 2000.
2.过去开始的某一动作或状态，持续到现在。常于since, for连用。
since
I have lived here for 22 years.
2.过去开始的某一动作或状态，持续到现在。常于since, for连用。
for+时间段
since+时间点
I have been to Beijing three times.
3.过去经历过的事情
I have been to Beijing three times.
My father has gone to Beijing,
he will be back next week.
have/ has been to :去过，已回
have / has gone to ：去了，未回
用所给动词的正确形式填空
1.Ken is a businessman. He sells car parts.He (own)his own business.
has owned
用所给动词的正确形式填空
2.Janet and Sam (have) their dog Fido for three years.
has had
用所给动词的正确形式填空
3.Tom (go) to see his grandmother last weekend.
went
用所给动词的正确形式填空
4.I (play) football with my friends yesterday.
played