时态

Now, if I say "I am beautiful," which tense is it?

现在，如果我说"我很漂亮"，这是什么时态？

Now, if I say,"I am beautiful," which tense is it?

如果我说我很漂亮，是什么时态？

But I'm going to study in the U. S. A. thisSeptember.

非谓语动词在语境中的时态中的运用。

But I'm going to study in the U. S. A. this

非谓语动词在语境中的时态中的运用。

Linear temporal logic properties of the system can be verified based on the automata theory of model checking. The method of verifying a complex multi-object system modeled by Statecharts and collaboration diagram is also presented in this paper.

使用基于自动机理论的模型检验方法来验证UML Statecharts的线性时态逻辑性质，并给出方法验证由Statecharts和协同图建模的复杂多对象系统。

To have a now rudder fitted. but by now the Thermopylae was over fivehundred miles ahead .

上面句子中的by now 一样，我不是很明白过去时态中也有用到NOW 的用法，请大家给我解释？

There's probably at least 28 different endings for any given verb, because there's first-, second- and third-person singular and plural for each tense ...

任何一个动词都至少会有28个不同的结尾，这是因为对于每一种时态，都有第一、二、三人称单数和复数他就这样子说了一会儿。

Be to do sth.=be going to do sth.=will do sth.

本句用的时态是过去将来时

Be going to do sth .

现在进行时态表将来

As a present tense form of the auxiliary, Bhasbis often contracted toB's

用作现在时态的助动词时，常缩写为

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。