一. 现在完成时的含义及用法
1. 现在完成时表示过去发生的动作,并对现在有影响。
2. 现在完成时表示从过去一直持续到现在的动作或状态。
现在完成时的基本句型:
肯定式:
主语 + 助动词have/has + 动词的过去分词.
否定式:
主语 + 助动词have/has + not + 动词的过去分词.
疑问式:
助动词Have/Has + 主语 + 动词的过去分词?
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)
此时,现在完成时常与already(已经), yet(已经), just(刚刚),ever(曾经)等词连用,通常放在助动词之后,过去分词之前。
already: 常用于肯定句中.
yet: 用于否定句,翻译为还没。疑问句尾.翻译为已经
1. 你已经找到你的书了吗?
2. 他们在这个城市建了许多房子.
3. Judy还没到达.
4. 你吃过早饭了吗?
用法②
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?
for+ 时间段
since+时间点 , since+ 句子
①Mr. Brown has had his TV _____15 years.
②I’ve taken driving lessons _______last month.
③My sister has had her cell phone _____a month .
④My friends haven’t visited me _______ my birthday.
⑤We haven’t used our car _____a long time .
⑥She hasn’t had a good cup of coffee ____ years.
⑦Tom has worn glasses _______he was 7 years old.
二. have been 与have gone 的用法比较
have been to “到过,去过”,表示曾经到过某处,但现在人不在那儿。
have gone to “去了”,表示已经去了某地,现在人可能在去的途中或已在那儿了。
have been in “呆在某处一段时间了”
三. 实义动词分为: 瞬间动词 、延续动词
瞬间动词:borrow, die, join, begin, start, finish, end, leave, buy, arrive, come
在现在完成时的肯定句中,瞬间动词不能与表示短时间的句子连用,否定句中可以。 瞬间动词若要连用可替换成别的表达方式:
1. 瞬间动词可用于“段时间 + ago ” 的一般过去时句型
2. 瞬间动词可改成与之相对应的延续性动词及短语.与段时间连用
①
一. 现在完成时的含义及用法
1. 现在完成时表示过去发生的动作,并对现在有影响。
2. 现在完成时表示从过去一直持续到现在的动作或状态。
现在完成时的基本句型:
肯定式:
主语 + 助动词have/has + 动词的过去分词.
否定式:
主语 + 助动词have/has + not + 动词的过去分词.
疑问式:
助动词Have/Has + 主语 + 动词的过去分词?
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)
此时,现在完成时常与already(已经), yet(已经), just(刚刚),ever(曾经)等词连用,通常放在助动词之后,过去分词之前。
already: 常用于肯定句中.
yet: 用于否定句,翻译为还没。疑问句尾.翻译为已经
1. 你已经找到你的书了吗?
2. 他们在这个城市建了许多房子.
3. Judy还没到达.
4. 你吃过早饭了吗?
用法②
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?
for+ 时间段
since+时间点 , since+ 句子
①Mr. Brown has had his TV _____15 years.
②I’ve taken driving lessons _______last month.
③My sister has had her cell phone _____a month .
④My friends haven’t visited me _______ my birthday.
⑤We haven’t used our car _____a long time .
⑥She hasn’t had a good cup of coffee ____ years.
⑦Tom has worn glasses _______he was 7 years old.
二. have been 与have gone 的用法比较
have been to “到过,去过”,表示曾经到过某处,但现在人不在那儿。
have gone to “去了”,表示已经去了某地,现在人可能在去的途中或已在那儿了。
have been in “呆在某处一段时间了”
三. 实义动词分为: 瞬间动词 、延续动词
瞬间动词:borrow, die, join, begin, start, finish, end, leave, buy, arrive, come
在现在完成时的肯定句中,瞬间动词不能与表示短时间的句子连用,否定句中可以。 瞬间动词若要连用可替换成别的表达方式:
1. 瞬间动词可用于“段时间 + ago ” 的一般过去时句型
2. 瞬间动词可改成与之相对应的延续性动词及短语.与段时间连用
①