关于现在完成时系列讲解课件

现在完成时
一.构成: have/ has + done (过去分词) 过去分词(pp)其变化方法和动词过去式基本相同。 有部分不同，需要记好。 He has lived in Shenzhen for 4 years. Has he lived in Shenzhen for 4 years? Yes,he has. / No, he hasn’t .
现在完成时
二: 用法: 2)现在完成时表示从过去一直持续到现在的动作或状态。 She has learned English for 5 years. He has lived in Beijing since ( 自从)he was born . Have you stayed here since ( 自从) 3 o’clock?
5. 她刚刚离开. (leave-left)
She has just left.
A: Have you surfed the internet (上网)?
B: Yes, I have . / No, I haven’t.
talk on the phone for an hour
play soccer
Mother: John, clean your teeth please.
John: Mum, I have already cleaned them.
comb your hair ------ have combed it wash your hands ----- have washed them study for English test ----- have studied for it tell me the truth -----have told you everything visit your grandpa ----- have visited him listen to the English tape ----- have listened to it
关于现在完成时系 列讲解
现在完成时
( present perfect tense)
past
present(n来自百度文库w) future
do my homework
Mother: John, clean your teeth please. John: Mum, I have already(已经) cleaned them.
Father: Tell your sister to buy some milk, John.
John: Oh, she has just(刚刚) bought some.
Father: Tell your sister to buy some milk, John.
John: Oh, she has just bought some.
Arnold started to play tennis in Jan. Arnold has played tennis since Jan.
Maggie moved to Hawaii in 1996.
Maggie has lived in Hawaii for about 8 years.
常与already(已经), yet(已经), just(刚刚),ever(曾经)等词连 用.
already: 常用于肯定句中. yet: 常用于否定句,疑问句尾.
Translate the following sentences.
1. 你已经找到你的书了吗? (find-found) Have you found your book yet?
carry some water for the old man ----has carried some boil some water ---- has boiled some make some coffee ---- has made some call Mr. Smith ---- has called him mend the shirt ---- has mended it dry her hair ----has dried hers
6.drink— drank--drunk
7.give-- gave--given 8. eat– ate--eaten
2. 他们在这个城市建了许多房子. (build-built) They have built many buildings in this city.
3. Judy还没到达. (arrive-arrived) Judy hasn’t arrived yet.
4. 你吃过早饭了吗? (have-had) Have you had breakfast ?
常与for, since引导的时间短语或从句连用.
for+ 时间段
since+时间点 , since+ 句子
抄写动词以及过去式和过去分词。
1.be-- was/were --been2.come— came--come
3.go-- went--gone 4.do— did--done
5.have-- had-had
eat (eaten) French
see (seen) a tiger
Sam got sick two days
ago . Sam has been sick for two days.
Sherry got her driver’s license (执照) in 1999. Sherry has had her driver’s license since(自从) 1999.
二: 用法: 1)现在完成时表示过去发生的动作,并对现在有影响。
Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my hands. (手是干净的)