高考政治知识点:现象和本质的辩证关系
导读:本质和现象之间是对立统一的关系。现象是事物的表面...
英语语法作为我们初中英语学习的一个重点知识内容,它的牢固程度将影响着我们整个初中阶段的一个英语学习成绩,所以,对于孩子们来讲,掌握好英语语法非常重要。
初中英语时态——一般过去时
标志:动词过去式
*闭音节:元音字母a, e, i, o, u如果发字母本来的音则称为开音节,否则称为闭音节。
1. 表示过去某时所发生的动作或存在的状态,常与表示过去的时间状语连用(e.g. yesterday, this morning, just now, a moment ago, in May, last night/year / week, once upon a time, the other day, before …, when …, in the past等)。如:
Jim rang you just now.
Liu Ying was in America last year.
2. 表示过去经常或反复发生的动作,特别是used to do表达的句型,本身表示的就是过去常常。如:
When I was a kid, I often played football in the street.
She used to visit her mother once a week.
*注意区分sb. used to do sth.(某人过去常常做某事,此处to是动词不定式标志符号)和sb. be used to sth./doing sth.(某人习惯于某物/做某事,此处to是介词)。
3. 代替一般现在时,表示一种婉转、客气、礼貌、商量的语气。此用法仅适用于少数动词(如want, hope, wonder, think, intend等)及情态动词could, would。如:
I wondered if you could have a word with me.
I hoped you could help me with my English.
Would you mind my sitting here?
4. 虚拟语气中用一般过去时表示现在或将来时间的动作或状态。常用句型有:
It is time that sb. did sth. “某人该做某事了”
would rather sb. did sth. “宁愿某人做某事”