英语时态现在present

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一般现在simple present tense

这兔子吃胡萝卜，兔子吃胡萝卜的生物事实或者兔子吃胡萝卜习惯

1.表达事实

I eat carrots 我吃胡萝卜，我是吃胡萝卜这种食物（事实

You eat carrots

We eat carrots

She eats carrots

he eats carrots

The rabbit eats carrots 兔子吃胡萝卜，兔子是吃胡萝卜动物（事实

The sun rises the east 太阳东边升起

The earth revolves around the sun 地球绕太阳转

you like papa rabbit

I go to lunch 没有时间状态限制 也没了时间和状态信息

Do you mean you’re going for lunch now

Now 不会跟一般现在时使用 会跟现在进行时使用

2.表达习惯

I play basketball ball 我打篮球，有这个习惯

the bus leaves at 8 pm everyday

3.预计发生事情

the bus leaves at 8 pm tonight

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现在进行present progressive tense

这兔子正在吃胡萝卜

Be

1.系动词

i am a smart rabbit ,I =a smart rabbit

2.助动词，时态，被动态

Am is are

3.现在分词 doing

I am thinking of you

I am eating a carrot

You are eating a carrot 你

He is eating a carrot

She is eating a carrot

It is eating a carrot

We are eating a carrot

You are eating a carrot 你们

They are eating a carrot

this，that these those 都是事物指代，被动

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现在完成present perfect tense

这兔子现在已吃完了胡萝卜

Have

1.实义动词

I have some coins for this video

2.助动词，时态

have has

3.过去分词did

过去分词 past participle 不是过去式past /preterit

I have eaten carrots 我已吃过胡萝卜（我是只见过世面的兔子）

i have eat a carrot 我吃过一根胡萝卜

We have eaten a carrot

You have eaten a carrot

They have eaten a carrot

The rabbits have eaten a carrot

She has eaten a carrot

He has eaten a carrot

It has eaten a carrot

The rabbit has eaten a carrot

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现在完成进行present perfect progressive tense

这兔子现在已经吃完了一些胡萝卜，还要继续吃

I have been eating a carrot 我已经吃了一根胡萝卜 一段时间 接下来还将继续吃

we have been eating a carrot

you have been eating a carrot

They have been eating a carrot

She has been eating a carrot

He has been eating a carrot

It has been eating a carrot

The rabbit has been eating a carrot