Past simple or present perfect?
一般过去时还是现在完成时？
学习行为动词的一般过去时。
I miss the past simple and beautiful little happiness.
我怀念过去单纯美好的小幸福。
You heard him using the past simple and past continuous.
你应该听见了，他用的是一般过去时和过去进行时。
Most of the grammar is just past simple and past perfect.
大部分的语法都是一般过去时和现在完成时。
Most of the grammar is just past simple and past perfect.
大部分的语法都只是一般过去时和过去完成时。
Most of the grammar is just past simple and past perfect.
大部分的语法都是普经过去时和如今完成时。
In American English, the past simple is often used to give news.
美国英语，一般过去时态经常用于讲述新闻。
Question 10: Now I am learning the grammatical item "past simple tense".
问题10：我是个初中生，现在正在学过去时。
Cost management from past simple requirement minimum cost, to improve the efficiency of the cost.
成本管理也从过去单纯要求成本的最低化，向提高成本的效率转移。
During the senior high school, carrying out a new teaching organizing form of a special option has changed the past simple repeated teaching mode.
在高中阶段实行专项选修的教学组织形式，改变了过去的简单反复的教学模式。
Differing from the past simple analyzing method, the paper comprehensively analyses the effects of the different structures on the sensor accuracy under various cases.
同以往简单分析方法不同，文中全面分析了各种情况下不同结构参数对传感器精度的影响。
As with activating vocabulary, you'll help your brain bring up what it knows about the past simple in an easy way before you begin to focus on studying English grammar in detail.
加上已经激活的词汇，在你开始学习语法细节之前，就可以帮助你的大脑用一种轻松的方法了解过去时。
The policy of Simple Factory is reformed, and applied to produce command objects, which eliminates the limitations of past Simple Factory and makes up the defect of Factory Method.
改进了简单工厂模式的实现策略，克服了原来简单工厂模式的局限性，同时弥补了工厂方法模式的不足。
As with activating vocabulary, you'll help your brain bring up what it knows about the past simple in an simple course before you begin to focus above studying English grammar in elaborate.
你还可以用一张和你要英语学习的主题相关的图片结合这个方法激活你的词汇。
No doubt the ability to talk about one's past represents memory of a different level of complexity than simple recognition or recall.
毫无疑问，谈论一个人的过去的能力代表了一种和简单的认知或回忆复杂程度不同的记忆。
The Amish are often perceived by other Americans to be relics of the past who live a simple, inflexible life dedicated to inconvenient out-dated customs.
其他美国人常常认为阿米什人是历史遗迹，他们过着简单、呆板的生活，且坚持着麻烦而过时的习俗。
In the past, doing the timetabling was quite simple but now we have a lot more courses and what's made it complicated is that many of them have options.
在过去，做时间表是很简单的，但现在我们有更多的课程，让这个过程变得复杂的是，当中许多课程还有不同选择。
The life was simple in the past.
过去的生活很简单。
Generative technologies will move well past the simple "code generator" stage and will become a standard feature of the build and development processes.
生成技术将会跨越简单的“代码生成”阶段，转而成为构建与部署过程中的一个标准组成部分。
During the past year Messrs Hurley and Chen (pictured) have created another phenomenon: a simple, fun website to which anybody can upload video clips in order to share them.
赫尔利先生与陈先生这一年来创造了另一项奇迹：一个简单有趣、人人都能上传影片以便分享的网站。
The principle is simple: a fault segment that has ruptured in a large quake in the past will-once enough strain has again accumulated-likely fail again in a similar-size earthquake.
原理很简单：一个在之前的强地震中断裂的断层带，一旦再次聚集了足够大的压力后，将可能再次引发同等级别的地震。
Very few PDM systems in the past were recognized as simple and easy to use.
过去很少有PDM系统被认为简单易用的。
This is not as simple as looking at rooms revenue as we have in the past.
这并不像我们以前处理客房收入那么简单。
Studies in the past have shown how BCIs can be used perform simple tasks, such as controlling a computer cursor, with just a few brain cells.
以往的研究主要关注于如何使用BCIs来进行比较简单的活动，例如使用部分脑细胞来控制鼠标光标等等。
A simple example from a past project I was on illustrates this nicely
以下是来自以前项目中的一个简单的例子，我将对它进行详细说明
The way it worked in the past was actually quite simple: If your file pages (numperm%) were greater than the actual maxperm%, then the page replacement would only steal file pages.
以前，它的工作方式非常简单：如果您的文件页面 (numperm%)大于maxperm%，那么页面置换算法将仅替换文件页面。
The way it worked in the past was actually quite simple: If your file pages (numperm%) were greater than the actual maxperm%, then the page replacement would only steal file pages.
以前，它的工作方式非常简单：如果您的文件页面 (numperm%)大于maxperm%，那么页面置换算法将仅替换文件页面。
应用推荐