一般现在时

Alternating current is usually supplied to people's house at 50 cycles per second.

一般现在时是科技文章中最常见的时态，主要有三种用法。

Although it has never been explained why a few individuals seem to be always inclined to do something wrong than anyone else, ordinary people have regarded（陈述一个事实用一般现在时就好了） the law as something that cannot be disobeyed and provide s them with the best

又是抽象词。我的理解是：法律给人们提供的是一种保障，而 best 作名词指最好的状态或部分，用的不对；此外，生活又是抽象名词，我们去享受生活或体验生活，生活怎么会带给我们什么？和法律带给我们的保障又有什么可比性呢？

Mistake one: It is my vacation soon - obviously we should use future tense in this sentence.

一般现在时表达将来的意思很常见的，我不觉得只能在口语中用。

I think the present indefinite tense is the easiest tense of all. Do you know what it means ?

我想一般现在时是所有时态中最容易的，你知道它的含义吗？

Is she eating dinner in the mess hall?

在用一般现在时的三单，所以用does

They metin the wrong place at the wrong time.

如果在条件从句中，从句往往是一般现在时，主句仍然为一般将来时

They metin the wrong place at the wrong time.

只要是状语从句，一律用一般现在时取代一般将来时

He is the right person who you are looking for.+ R2 * '4 X5 lThey metin the wrong place at the wrong time.

如果在条件从句中，从句往往是一般现在时，主句仍然为一般将来时

Isn't it simply b/c to use present tense instead of future tense in a subordinate clause?

是不是所有的从句中都用一般现在时来表达一般将来时呢？

This thesis investigates the second language acquisition of English verbal inflections by Chinese-speaking learners of English.

本论文着重研究中国英语学习者对英语动词屈折变化的习得，尤其是对英语一般现在时动词第三人称单数标志-s和一般过去时动词规则变化标志-ed的习得研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。