主语+ be动词的过去式(was / were ) + 动词现在分词( 即动词的ing形式)+表过去时间的单词。 例句:It was raining yesterday。相关知识点: 试题来源: 解析 动词过去式: go---went meet---met see--- saw come---came buy---bought run---ran drop---dropped 句子:反馈 收藏 ...
例句 过去完成时常用的时间状语有：1. by the end of 过去的时间. By the end of last term, we had learned 5000 new words. 到上学期末，我们已经学了5000个新词。2.By the time sb. +动词过去式如： The bus had already left by the time I got there. 我到那儿时，公共汽车已经开...
句意为“在过去20年里,极端天气的数量急剧增加,这主要是由全球气温上升造成的。”cause是及物动词,与主句there has been a dramatic rise in the number of extreme weather之间是补充说明的关系,相当于非限定性定语从句“which is caused largely by...
一、spend 1.动词原形-过去式-过去分词：spend-spent-spent 2.人作主语，花费的可以是钱也可以时间 3.人+spend+时间/金钱+(in)+doing sth. →某人花费多少时间/金钱做某事 Tom spent two yuan in buying this book yesterday. Tom昨天花费了2元买这本书。4.人+spend+时间/金钱+on sth. →某人在某方面...
fall这个词既可以是名词,也可以是动词。当其为名词时,意思有“秋天”。当其为动词时,其含义为“下落,跌落,倒塌”,其通常用来指指因失去平衡等而倒塌或跌倒。fall的第三人称单数形式为falls,过去式是fell,过去分词是 fallen,现在分词是falling。 例句:
主语+ 助动词be(was/were) + 动词-ing形式构成 8. 过去将来时 概念: 过去将来时表示从过去的某一时间来看将来要发生的动作或呈现的状态。 1) I didn't know if he was going to come. 我不知道他是否会来。 2) She was sixty-six. In three ...
buy的过去分词形式是bought。下面是关于buy的过去分词形式的十个例句: 1. I bought a new dress yesterday and it looks great on me. 2. They bought a new car last month and they are very happy with it. 3. She bought a lot of books during the book fair. 4. We bought tickets to the co...
过去时 1. This paper attempts to investigate the uses of the past tense as the non-past tense according to cognitive linguistics,cognitive grammar,functional linguistics as well as the angle of the metaphor cognitive process. 试图根据认知语言学、语法学和系统功能语言学的经验理论,从隐喻认知的角度...