When we talk about things that happened in the past but don’t happen anymore we can do it in different ways.当我们谈论发生在过去而现在不再发生的事情的时候，我们能用以下几种表达方式。Used ...
When we talk about something that happened in the past we sometimes want to refer back to something that happened before that time. We can use the pas...
We can say how sure we feel about the future by using modal verbs. There are also other phrases we can use to express our certainty or uncertainty abo...
We use the present perfect tense to talk about things where there is a connection between the past and the present.我们用现在完成时态谈论那些过去和现在有联系的事情。• He’s wri...
The present perfect tense has a number of uses.现在完成时态有许多使用方法。1 We use it to talk about experience.1 我们使用它讨论经验• I’ve worked in 6 different countries.• ...
很多同学可能都会觉得在使用定语从句的时候，有时不知该选择that还是which作为引导词。那么，今天和小编一起来了解下定语从句中that和which的区别；首先，that和which在从句里都可以做宾语和主语，做宾语时可以省略。在定语从句中,有种说法叫“关宾省“,意思是关系代词在限制性定语从句中作宾...
定语从句是英语考试中必考的一项内容，那么关于定语从句你又掌握了多少？今天小编重点给大家讲下 由“介词+关系代词”引导的定语从句，供大家参考，学习。1. 由“介词+关系代词”引导的定语从句主要用于正式文体，在非正式文体中通常将介词放至句末。如：This is the man to whom I ref...
定语从句是英语考试中必考的一项内容，今天小编重点给大家讲下which引导的定语从句，供大家参考，学习。关系代词which引导的定语从句， 指物，在从句中可以作主语、宾语等。多数情况下，可与that互换。但是要注意当从句中，介词提前只能用which，而且，在非限制性定语从句中，which引导的句子单...
1.You will stay healthy _______ you do more exercise, such as running and walking.A. if B. how C. before D. where答案：A解析：该题考查的是引导状语从句的从属连词的选择。从意思上看，从句应...
一般现在时的结构是由动词原形构成的。根据人称的变化，谓语动词有单、复数的变化。它可以表示经常的、现在的、过去的、将来的动作。先来和小编一起看一下一般现在时的疑问句结构吧！主语＋be动词1、疑问句结构： be + 主语+ 其它部分？2、变换方法：一提二变三问号一提：即把句中的be动词调到句首；二变：改...