作业帮关于时态
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/04/28 00:52:14
请问什么时候应用一般时态，什么时候应用完成时态，什么时候应用完成进行时，谢谢解答，完成句子时总分不清
解题思路： 解答如下
解题过程：
同学，你可以参考以下的时态表:
常用常考的动词时态和用法：（以do为例）
名称
构成
用法
一般现在时
do/does,( 连系动词is/am/are )
1.一般现在时表示经常发生、习惯性动作、客观真理、科学事实、格言，目前的特征、状态、能力等。
2.主句是一般将来时,时间、条件状语从句中用一般现在时表示将来。
I’ll go there after I finish my work.
If it rains tomorrow,I won’t go there.
3.在以here,there开头的句子里，go,come等少数动词的一般在时表示正在发生的动作。
There goes the bell.铃响了。
There comes the bus.汽车来了。
Here she comes.她来了。
一般过去时
did,( 连系动词was/were)
表达特定的过去时间内发生的动作或存在的状况，或过去某一时间内经常发生或反复发生的动作或行为。
现在进行时
is/am/are doing
1.表示正在进行的动作。
2.表示按计划安排即将发生的动作。
She is leaving for Beijing.她要去北京。
He is working as a teacher tomorrow.
从明天起他要做老师。
My father is coming to see me this Saturday.
这个星期六我爸爸要来看我。
3.代替一般现在时，描绘更加生动。
The Changjiang River is flowing into the east.
长江江水滚滚向东流。
The sun is rising in the east.太阳从东方冉冉升起。
过去进行时
was/were doing
1.表示过去某一时刻或某一段时间内正在进行的动作（这一过去时间须用时间状语表示）
He was preparing his lecture all day yesterday.
2.表示动作在另一过去动作发生时进行
They were still working when I left.
3.用在两个过去进行时动作同时发生
I was writing while he was watching TV.
4.表示过去将来动作
He said she was arriving the next day.
现在完成时
has/have done
1.表示过去发生的动作对现在产生的影响或结果，说话时已
完成的动作。
I have finished the report./ She has cleand the room.
2.表示从过去开始，待续到现在的动作或状态，往往
和“for...”, “since...”表述的一段时间状语连用。
He has learned English for six years.
They have worked here since they left college.
3.表示“曾经到过某地（人已回来）”用“have/has been to”,表示“到某地去了（还未回来）”用“have/has gone to”。
—Where is Li Hua?
－He has gone to the reading-room.
—She knows a lot about Shanghai.
－She has been there.
4.短暂动词（即瞬间动词），
join,lose,buy,borrow,leave,go,come,arrive,die,marry, finish,complete,begin,start,break out等，在完成时态
中，其肯定式不能和表示一段时间的状语连用。不能说：He has joined the army for three years.
要翻译“他已参军已经三年了。”可采用
①“ago法”
He joined the army three years ago.
②“延续法”
He has been in the army for three years.
③“since法”
It is/has been three years since he joined the army.
过去完成时
had done
1.表示在过去某一时间以前已经完成的动作。
He had shut the door before the dog came up.
Everything had been all right up till this morning.
2.表示动作或状态从过去某个时刻开始一直延续到
另一个过去时刻才完成，甚至还要继续下去。
At the age of ten,he had learned 500 English words.
He had been ill for a week when we learned about it.
3.常用hope,expect,think,intend,want,suppose等动词的
过去完成时来表示未实现的希望、打算或意图。
We had expected that you would be able to win the match.
将来完成时
will/shall have done
用来表示在将来某个时刻（前）将完成的动作。常和by短
语，when,before引起的时间状语连用。
We will have finished senior Book 2 by the end of this term.
现在完成进行时
has/have been doing
用来表示从过去某一时刻开始一直持续到现在（还要继续下
去）的动作。He has been doing the maths problems since 8:00.
过去完成进行时
had been doing
表示动作或状态从过去某个时刻开始一直延续到另一个过去时刻才完成，还将继续下去。
一般将来时
will/shall do
is/am/are going to do
is/am/are（about）to do
一般将来时表示将来要发生的动作和存在的状况
（详见下面2.一般将来时的特殊表达方式的比较）
过去将来时
would/should do
was/were going to do
was/were（about）to do
1.相对于过去某一时刻而言即将发生的动作或存在的状态
He told me he would go to Beijing.他告诉我他将去北京。
I was told that he was going to return home.
有人告诉我他准备回家。
2. would do(表示过去的习惯)总是,总会,常常
He would sit silent for hours.
他常常接连好几个小时默默地坐着。
2.一般将来时的特殊表达方式的比较
将来时
用 法
例 句
1
be + doing 进行时表将来
go, come, start, move, leave, arrive等词可用进行时表示按计划即将发生的动作
He is moving to the south.
Are they leaving for Europe?
2
be about to + 动词原形
表示安排或计划中的马上就要发生的动作，后面一般不跟时间状语
I was about to leave when the bell rang.
The meeting is about to close.
3
be to + 动词原形
表示按计划进行或征求对方意见
We’re to meet at the school gate at noon.
4
一般现在时表将来
时刻表上或日程安排上早就定好的事情，可用一般现在时表示将来
The meeting starts at five o’clock.
The plane leaves at ten this evening.
3.容易混淆的时态比较
项 目
区 别
例 句
一般过去时与现在完成时的比较
现在完成时强调过去动作对现在产生的影响或造成的结果
We haven’t heard from Jane for a long time. What do you suppose _______ to her?
A. was happening B. happens C. has happened D. happened
说明：说话者强调Jane 目前的状况.
Mr. Lee, who ________ as a carpenter for over 10 years, is now a very famous statesman in this country.
A. has worked B. had worked C. worked D. works
(只说明他过去当过木匠不涉及到现在)
一般过去时只表达过去的动作或状态
Hello, I ____ you were in London. How long _________ here?
A. don’t know; were you B. hadn’t known; are you
C. haven’t known; are D. didn’t know; have you been
说明：didn’t know 强调见面前不知道
I read the novel last month. (只说明上个月看了，不涉及现在是否记住)
现在完成时与现在完成进行时的比较
着重表示动作的结果时，用现在完成时
I have read that book.我读过那本书了。（知道那本书的内容）
着重表示动作一直在进行，即动作的延续性时，则用现在完成进行时
—Hi, Tracy, you look tired.
—I am tired. I _______ the living room all day.
A. painted B. had painted
C. have been painting D. have painted
说明：强调动作从过去到现在的延续
现在进行时与过去进行时的比较
现在进行时表示现在某个时候或某段时间正在进行的动作
I don’t really work here. I ____ until the new secretary _______.
A. just help out; comes B. have just helped out; will come
C. am just helping out; comes D. will just help out; has come
说明：指目前一段时间正在发生的动作, until 引导的是时间状语从句,动词需用一般现在时。
过去进行时表示某个时候或某段时间正在进行的动作
— Hey, look where you are going!
— Oh, I’m terribly sorry. _______.
A. I’m not noticing. B. I wasn’t noticing.
C. I haven’t noticed. D. I don’t notice.
说明：对话的后者显然是在解释刚才不小心冒犯对方时正在做的事情.
一般过去时与过去进行时的比较
一般过去时只表达过去的动作或状态
Tom________ into the house when no one ___________.
A. slipped; was noticing B. had slipped; noticed
C. slipped; had noticed D. was slipping; noticed
说明：slip和notice 为同时发生的动作，因此B、C为错误选项，slipped指过去有结果的动作（他溜进去了），when no one was noticing 指他溜进去的一刹那发生的情况（没有人注意）。
过去进行时表示某个时候或某段时间正在进行的动作
.He ______ a book about China last year, but I don’t know if he ______ it.
A.wrote; has finished B. was writing; has finished
C. was writing; had finished D. wrote; will finish
说明：正确选项为B. 从I don’t know if he has finished it.推断，他去年一直在写。
最终答案：略
解题过程：
同学，你可以参考以下的时态表:
常用常考的动词时态和用法：（以do为例）
名称
构成
用法
一般现在时
do/does,( 连系动词is/am/are )
1.一般现在时表示经常发生、习惯性动作、客观真理、科学事实、格言，目前的特征、状态、能力等。
2.主句是一般将来时,时间、条件状语从句中用一般现在时表示将来。
I’ll go there after I finish my work.
If it rains tomorrow,I won’t go there.
3.在以here,there开头的句子里，go,come等少数动词的一般在时表示正在发生的动作。
There goes the bell.铃响了。
There comes the bus.汽车来了。
Here she comes.她来了。
一般过去时
did,( 连系动词was/were)
表达特定的过去时间内发生的动作或存在的状况，或过去某一时间内经常发生或反复发生的动作或行为。
现在进行时
is/am/are doing
1.表示正在进行的动作。
2.表示按计划安排即将发生的动作。
She is leaving for Beijing.她要去北京。
He is working as a teacher tomorrow.
从明天起他要做老师。
My father is coming to see me this Saturday.
这个星期六我爸爸要来看我。
3.代替一般现在时，描绘更加生动。
The Changjiang River is flowing into the east.
长江江水滚滚向东流。
The sun is rising in the east.太阳从东方冉冉升起。
过去进行时
was/were doing
1.表示过去某一时刻或某一段时间内正在进行的动作（这一过去时间须用时间状语表示）
He was preparing his lecture all day yesterday.
2.表示动作在另一过去动作发生时进行
They were still working when I left.
3.用在两个过去进行时动作同时发生
I was writing while he was watching TV.
4.表示过去将来动作
He said she was arriving the next day.
现在完成时
has/have done
1.表示过去发生的动作对现在产生的影响或结果，说话时已
完成的动作。
I have finished the report./ She has cleand the room.
2.表示从过去开始，待续到现在的动作或状态，往往
和“for...”, “since...”表述的一段时间状语连用。
He has learned English for six years.
They have worked here since they left college.
3.表示“曾经到过某地（人已回来）”用“have/has been to”,表示“到某地去了（还未回来）”用“have/has gone to”。
—Where is Li Hua?
－He has gone to the reading-room.
—She knows a lot about Shanghai.
－She has been there.
4.短暂动词（即瞬间动词），
join,lose,buy,borrow,leave,go,come,arrive,die,marry, finish,complete,begin,start,break out等，在完成时态
中，其肯定式不能和表示一段时间的状语连用。不能说：He has joined the army for three years.
要翻译“他已参军已经三年了。”可采用
①“ago法”
He joined the army three years ago.
②“延续法”
He has been in the army for three years.
③“since法”
It is/has been three years since he joined the army.
过去完成时
had done
1.表示在过去某一时间以前已经完成的动作。
He had shut the door before the dog came up.
Everything had been all right up till this morning.
2.表示动作或状态从过去某个时刻开始一直延续到
另一个过去时刻才完成，甚至还要继续下去。
At the age of ten,he had learned 500 English words.
He had been ill for a week when we learned about it.
3.常用hope,expect,think,intend,want,suppose等动词的
过去完成时来表示未实现的希望、打算或意图。
We had expected that you would be able to win the match.
将来完成时
will/shall have done
用来表示在将来某个时刻（前）将完成的动作。常和by短
语，when,before引起的时间状语连用。
We will have finished senior Book 2 by the end of this term.
现在完成进行时
has/have been doing
用来表示从过去某一时刻开始一直持续到现在（还要继续下
去）的动作。He has been doing the maths problems since 8:00.
过去完成进行时
had been doing
表示动作或状态从过去某个时刻开始一直延续到另一个过去时刻才完成，还将继续下去。
一般将来时
will/shall do
is/am/are going to do
is/am/are（about）to do
一般将来时表示将来要发生的动作和存在的状况
（详见下面2.一般将来时的特殊表达方式的比较）
过去将来时
would/should do
was/were going to do
was/were（about）to do
1.相对于过去某一时刻而言即将发生的动作或存在的状态
He told me he would go to Beijing.他告诉我他将去北京。
I was told that he was going to return home.
有人告诉我他准备回家。
2. would do(表示过去的习惯)总是,总会,常常
He would sit silent for hours.
他常常接连好几个小时默默地坐着。
2.一般将来时的特殊表达方式的比较
将来时
用 法
例 句
1
be + doing 进行时表将来
go, come, start, move, leave, arrive等词可用进行时表示按计划即将发生的动作
He is moving to the south.
Are they leaving for Europe?
2
be about to + 动词原形
表示安排或计划中的马上就要发生的动作，后面一般不跟时间状语
I was about to leave when the bell rang.
The meeting is about to close.
3
be to + 动词原形
表示按计划进行或征求对方意见
We’re to meet at the school gate at noon.
4
一般现在时表将来
时刻表上或日程安排上早就定好的事情，可用一般现在时表示将来
The meeting starts at five o’clock.
The plane leaves at ten this evening.
3.容易混淆的时态比较
项 目
区 别
例 句
一般过去时与现在完成时的比较
现在完成时强调过去动作对现在产生的影响或造成的结果
We haven’t heard from Jane for a long time. What do you suppose _______ to her?
A. was happening B. happens C. has happened D. happened
说明：说话者强调Jane 目前的状况.
Mr. Lee, who ________ as a carpenter for over 10 years, is now a very famous statesman in this country.
A. has worked B. had worked C. worked D. works
(只说明他过去当过木匠不涉及到现在)
一般过去时只表达过去的动作或状态
Hello, I ____ you were in London. How long _________ here?
A. don’t know; were you B. hadn’t known; are you
C. haven’t known; are D. didn’t know; have you been
说明：didn’t know 强调见面前不知道
I read the novel last month. (只说明上个月看了，不涉及现在是否记住)
现在完成时与现在完成进行时的比较
着重表示动作的结果时，用现在完成时
I have read that book.我读过那本书了。（知道那本书的内容）
着重表示动作一直在进行，即动作的延续性时，则用现在完成进行时
—Hi, Tracy, you look tired.
—I am tired. I _______ the living room all day.
A. painted B. had painted
C. have been painting D. have painted
说明：强调动作从过去到现在的延续
现在进行时与过去进行时的比较
现在进行时表示现在某个时候或某段时间正在进行的动作
I don’t really work here. I ____ until the new secretary _______.
A. just help out; comes B. have just helped out; will come
C. am just helping out; comes D. will just help out; has come
说明：指目前一段时间正在发生的动作, until 引导的是时间状语从句,动词需用一般现在时。
过去进行时表示某个时候或某段时间正在进行的动作
— Hey, look where you are going!
— Oh, I’m terribly sorry. _______.
A. I’m not noticing. B. I wasn’t noticing.
C. I haven’t noticed. D. I don’t notice.
说明：对话的后者显然是在解释刚才不小心冒犯对方时正在做的事情.
一般过去时与过去进行时的比较
一般过去时只表达过去的动作或状态
Tom________ into the house when no one ___________.
A. slipped; was noticing B. had slipped; noticed
C. slipped; had noticed D. was slipping; noticed
说明：slip和notice 为同时发生的动作，因此B、C为错误选项，slipped指过去有结果的动作（他溜进去了），when no one was noticing 指他溜进去的一刹那发生的情况（没有人注意）。
过去进行时表示某个时候或某段时间正在进行的动作
.He ______ a book about China last year, but I don’t know if he ______ it.
A.wrote; has finished B. was writing; has finished
C. was writing; had finished D. wrote; will finish
说明：正确选项为B. 从I don’t know if he has finished it.推断，他去年一直在写。
最终答案：略