现在完成时讲解(完整版)
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3. —Here you are at last! Where _h_a_ve__ you _b_e_e_n_? —I _h_a_v_e_b_e_e_n_t_o___ London.
4. —David ___ha_s__go_n_e_t_o___Australia. —I’m sure he’s already arrived.
He has stayed here since 5 hours ago. 3)since+ 从句
She has taught English since he came here.
for百度文库 (长达）
for+ 时间段
He has kept the book for 2 weeks.
感谢下载
9
用for 或since填空
The Present Perfect tense
Present Perfect Tense
现在完成时
past
present(now)
future
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2
现在完成时的结构
主语 + have/ has + 过去分词（pp）
助动词,无意义
Winter has already come，
will it still be far in spring ?
感谢下载
11
辨析 have been to和 have gone to
My father has gone to Shanghai for a meeting. 他（已经）去了上海。
My father has been to Shanghai for a meeting. 他（曾经）去了上海。
She has been to China . 她（曾经）去过中国。（人已经回来了）
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.
感谢下载
7
3) 表示从过去开始并持续到现在的动作或状态，常与 包括现在在内的一段时间的状语连用。 She has learned English for 5 years.
1. Mr. Brown has had his TV __fo_r___ 15 years. 2. I’ve taken driving lessons __s_in_c_e__last month. 3. My sister has had her cell phone __f_o_r__a month . 4. My friends haven’t visited me __s_in_c_e_few days ago. 5. We haven’t used our car __fo_r__ a long time . 6. She hasn’t had a good cup of coffee __fo_r__years. 7. Tom has worn glasses __s_in_c_e__he was 7 years old.
He has lived in Beijing since 5 years ago.
感谢下载
8
since , for 的用法:
since: (自…以来)
1)since+时间点
Take notes
He has stayed here since 5 o’clock. 2)since+ 时间段+ ago
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)
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10
疑难点
I worked here for more than twenty years. (我现在已经不在这里工作了)
I have worked here for more than twenty years. （现在我仍在这里工作）
注：并非所有for作为时间状语的句子都用现在完成时 搞清一般过去时和现在完成时的区别
5
现在完成时的用法
1) 表示到现在为止已经完成或刚刚完成的动作。
Now we have planted all the trees. He has just come back. They have built many buildings in this city.
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6
2) 表示过去发生的动作,强调结果或对现在的影响。
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3
现在完成时的结构
主语 + have/ has + 过去分词（pp）
注：主语若是第三人称单数助动词用 has
否定形式 haven’t ( have not ） +过去分词 hasn’t ( has not ) +过去分词
疑问句 把助动词 have / has 放在句首
感谢下载
4
区别have 和 has的用法
1.—Where is your brother? —He __h_as__g_on_e__to___ the shop. He’ll be back soon.
2. — __H_a_v_e_ you ever _b_e_e_n__to___ to America? —Yes, I _h_av_e__be_e_n__to__ New York twice.
You have planted all the trees. I have planted all the trees. He/she has planted all the trees. They have planted all the trees.
主语若是第三人称单数助动词用 has
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She has gone to China last week. 上周她去了上海 。（人可能回来了也可能没回来）
have been to someplace. 曾经去过某地，已经回来． has gone to someplace.感某谢下人载 去了某地，还没有回1来2 ．
用have/has been to, have/has gone to填空：
4. —David ___ha_s__go_n_e_t_o___Australia. —I’m sure he’s already arrived.
He has stayed here since 5 hours ago. 3)since+ 从句
She has taught English since he came here.
for百度文库 (长达）
for+ 时间段
He has kept the book for 2 weeks.
感谢下载
9
用for 或since填空
The Present Perfect tense
Present Perfect Tense
现在完成时
past
present(now)
future
感谢下载
2
现在完成时的结构
主语 + have/ has + 过去分词（pp）
助动词,无意义
Winter has already come，
will it still be far in spring ?
感谢下载
11
辨析 have been to和 have gone to
My father has gone to Shanghai for a meeting. 他（已经）去了上海。
My father has been to Shanghai for a meeting. 他（曾经）去了上海。
She has been to China . 她（曾经）去过中国。（人已经回来了）
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.
感谢下载
7
3) 表示从过去开始并持续到现在的动作或状态，常与 包括现在在内的一段时间的状语连用。 She has learned English for 5 years.
1. Mr. Brown has had his TV __fo_r___ 15 years. 2. I’ve taken driving lessons __s_in_c_e__last month. 3. My sister has had her cell phone __f_o_r__a month . 4. My friends haven’t visited me __s_in_c_e_few days ago. 5. We haven’t used our car __fo_r__ a long time . 6. She hasn’t had a good cup of coffee __fo_r__years. 7. Tom has worn glasses __s_in_c_e__he was 7 years old.
He has lived in Beijing since 5 years ago.
感谢下载
8
since , for 的用法:
since: (自…以来)
1)since+时间点
Take notes
He has stayed here since 5 o’clock. 2)since+ 时间段+ ago
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)
感谢下载
10
疑难点
I worked here for more than twenty years. (我现在已经不在这里工作了)
I have worked here for more than twenty years. （现在我仍在这里工作）
注：并非所有for作为时间状语的句子都用现在完成时 搞清一般过去时和现在完成时的区别
5
现在完成时的用法
1) 表示到现在为止已经完成或刚刚完成的动作。
Now we have planted all the trees. He has just come back. They have built many buildings in this city.
感谢下载
6
2) 表示过去发生的动作,强调结果或对现在的影响。
感谢下载
3
现在完成时的结构
主语 + have/ has + 过去分词（pp）
注：主语若是第三人称单数助动词用 has
否定形式 haven’t ( have not ） +过去分词 hasn’t ( has not ) +过去分词
疑问句 把助动词 have / has 放在句首
感谢下载
4
区别have 和 has的用法
1.—Where is your brother? —He __h_as__g_on_e__to___ the shop. He’ll be back soon.
2. — __H_a_v_e_ you ever _b_e_e_n__to___ to America? —Yes, I _h_av_e__be_e_n__to__ New York twice.
You have planted all the trees. I have planted all the trees. He/she has planted all the trees. They have planted all the trees.
主语若是第三人称单数助动词用 has
感谢下载
She has gone to China last week. 上周她去了上海 。（人可能回来了也可能没回来）
have been to someplace. 曾经去过某地，已经回来． has gone to someplace.感某谢下人载 去了某地，还没有回1来2 ．
用have/has been to, have/has gone to填空：