句子结构:主语+V
I study English everyday.
我每天都学习英语.
Two years ago, I studied English in America. 两年前,我在美国学英语.
If you are having problems,
I will help you study English.
如果你在学习英语当中,遇到问题,我
将帮助你.
句子结构:主语+be going to+V
I’m going to study English next
year.
我明年将开始学习英语.
Present Continuous
现在进行时
Past Continuous
过去进行时
Future Continuous
将来进行时
句子结构:主语+be+doing I am studying English now. 我正在学习英语. 句子结构:主语+was/were+doing I was studying English when
you called yeaterday. 你昨天给我打电话的时候,我正在学习英语. 句子结构:主语+will be+doing
I will be studying English when
you arrive tonight.
明晚你来的时候,我会正在学习英语.
句子结构:主语+be going to+be+doing
I’m going to be
studying English when you
arrive tonight.
同上.
I have studied English in several different countries.在一些国家,我已经学习了英语.I had studied a little English
before I moved to the U.S.
在我搬去美国之前,我已经学习了
一点英语.
by the time I finish this course.
在我完成这个课程的时候,我已经能
完成英语时态的学习了.
句子结构:主语+be going
to+have done
I’m going to have studied every
tense by the time I finish this
course.
同上.
Present Perfect Continuous 现在完成进行时Past Perfect Continuous
过去完成进行时
Future Perfect Continuous
将来完成进行时
句子结构:主语+have/has
been doing
I have been studying English
for ten years.
我已经学习英语有十年的时间了. 句子结构:主语+had been doing
I had been studying English
for ten years before I moved
to the U.S.
在我搬去美国之前,我已经学习了
十年的英语了.
句子结构:主语+will have been
doing
I will have been
studying English for over three
hours by the time you arrive.
明晚你来的时候,我已经学习英语3
个小时了.
句子结构:主语+be going to have
been doing
I’m going to have been
studying English for over three
hours by the time you arrive
同上.
详细讲解-一般现在时
通常以动词原形表示。主语为第三人称单数时，用现单三形式。动词be和have(表示“拥有”)各人称的单数形式为：
第一人称单数第二人称单数第三人称单数Have Have Have Has
Be Am Are i s
一般现在时的否定式、疑问式和简单回答形式如下：
动词be 与have（表示“拥有”）：否定式直接把not放在动词之后，疑问式直接把动词放在主语之前，见下表：
否定式&疑问式
Be Have Be Have
I am not (I’m not)… I have not (haven’t)… Am i…? Have i…?
You are not (aren’t)… You have not (haven’t)… Are you…? Have you…?
He is not (isn’t)… He has not (hasn’t)… Is he …? Has he …?
动词be 的否定疑问式和简单回答：
否定疑问式肯定回答否定回答
Am I not (aren’t i)…? Yes, you are. No, you aren’t
Are you not (aren’t you)…? Yes, I am. No, I’m not.
Is he not (isn’t he)…? Yes, he is. No, h e isn’t
动词be 与have(表示“拥有”)：否定式直接把not放在动词之后，疑问式直接把动词放在主语之前，见下表：
否定式疑问式
Be Have Be Have
I am not (I’m not)… I have not (haven’t)… Am i…? Have I …?
You are not (aren’t)… You have not (hav en’t)… Are you …? Have you…?
He is not (isn’t)… He has not (hasn’t)… Is he …? Has he …?
动词have(表示“拥有”) 的否定疑问式和简单回答：
否定疑问式肯定回答否定回答
Have I not (haven’t i)…? Yes, you have. No, you haven’t.
Have you not (haven’t you)…? Yes, I have. No, I haven’t.
Has he not (hasn’t he)…? Yes, he has. No, he hasn’t.
注意：have 作为行为动词则只能按照行为动词的规则变化。
行为动词（以study为例）一般现在时的否定式、疑问式和简单回答（注意要加助动词do/does）否定式疑问式
