Simple Present Tense and Simple Past Tense.

一般现在时和一般过去时。

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We use the negative form of the SIMPLE PRESENT to talk about.

我们用一般现在时的否定形式来讨论。

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We use the simple present tense to talk about facts and states.

我们使用一般现在时来谈论事实和陈述。

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I am not convinced that the poem's radical and most subversive and most exquisite rhetorical effects, these amazing similes, present us with anything like a simple and unambiguous religious message.

我并不认为诗中最极端最颠覆,即那些令人惊叹的比喻，给我们提供了,非常简单明了的宗教寓意。

耶鲁公开课 - 弥尔顿课程节选

You'll see enough things that will confound you, but right now I want to demonstrate a simple paradigm of what it means to know the present and what it means to say this is what the future behavior will be.

你将会发现很多物理问题会让你困扰,而眼下我会举一个例子来阐述,什么叫了解现在,什么又叫预测未来

耶鲁公开课 - 基础物理课程节选

It's not as simple as DNA going to RNA going to protein, because proteins need to be present in order to make these things happen as well.

基因表达不是简单的从DNA到RNA,再到蛋白质,因为整个过程需要,不同酶的催化作用

耶鲁公开课 - 生物医学工程探索课程节选

It is this ability to present seemingly simple dishes with such intense yet harmonious flavors that makes Oliver Dabbous, at just 31 years old, such an accomplished chef.

WSJ: Bruce Palling on Food: Why Dabbous Is London's Hottest Hot Spot

The new Lisbon Treaty raises the threshold for approving a new commission from a simple majority of MEPs present, to an absolute majority, ie, more than half of all MEPs must approve each new college of commissioners.

ECONOMIST: European politics

"People who eat it in Andalusia recognize the finesse of salmorejo, which can be present at simple restaurants and, at the same time, be part of the haute cuisine, " says Almudena Villegas Becerril, an author and food consultant based in Cordoba, who wrote a history of salmorejo that was published in 2010.

WSJ: Salmorejo the Way Mama Makes It