b)过去进行时还常常和一般过去时配合使用。此时,过去进行时通常表示一个历时较长的体现背景的动作或状态;而一般过去时表示此背景下发生的短暂的动作或状态。 如:I cut my finger when I was cooking the dinner last night.昨晚做饭时我割...
2021-04-07 公共课
二、表示进行动作的动词时态:现在进行时、过去进行时、将来进行时 1.现在进行时:表示正在进行的动作或者现阶段正在持续的动作。其形式为am/is/are doing.常与进行时连用的时间状语有:now, at this moment, at present等。 如:What a...
2021-04-07 公共课
3.一般将来时表示在未来的某个时间将要发生的动作或状态。其形式will do或be going to do。 如:We will have a picnic tomorrow. We are going to have a picnic tomorrow. 我们明天要去郊游。 1)will 和be going to 的区别 a)一般将来时表示预测时,我们可以...
2021-04-07 公共课
握的语法:动词的时态 英语中时态从时间上划分,可以分为:现在时、过去时、将来时和过去将来时,每一类从行为上又可分为四种形式:一般式、进行式、完成式和完成进行式。这样,英语中的动词共有十六种时态。下面以wo...
2021-04-07 公共课
短语表达 1. difference betweenand Will you please tell me the difference between a horse and a seahorse? 2.neither nor I have neither seen him nor heard from him since we last met. 3. look up The little boy didnt dare to look up at his teacher. 4. a matter of...
2021-04-07 公共课
11. People would pick up handfuls of gravel from the bottom of the streams and sort out the diamonds. -ful通常加在名词后面,构成形容词,如care-careful,help-helpful.而本句中的handful是一个名词,意思是一把,在单词部分,我们已经提到过,英语中有不少这...
2021-04-07 公共课
6. It is thought that millions of years ago this liquid mass pushed upward through cracks in the earths crust. It is thought that是一个很常用的句型,类似的句型在英语中很多,比如: 1) It is / was, has been, reported that 2) It is / was, has been, stated that 3) It is...
2021-04-06 公共课
3. Diamonds are made from carbon. 由制成,可以用be made from和be made of两个词组来表达。但是be made from通常指制成品已看不出原材料是什么,而be made of可以看出该物品由什么材料制成的。 4. Scientists know that the combination of extreme heat and press...
2021-04-06 公共课
主要构词法 affixation(词缀法) 1.形容词后缀 -ful beautiful,useful, 2.形容词后缀 -ive impressive 3.形容词后缀 -y greasy 4.名词后缀 -ation combination,formation 5.名词后缀 -ure pressure 6.名词后缀 -y discovery 7.名词后缀 -er traveler,miner 8.名词后缀 -...
2021-04-06 公共课