uint 2 plant a plant!
一、词汇复习。
的一半照顾。
使用…做在…之间。
来自由…制成。
许多,大量用…装满。
被…装满用…覆盖。
变成在阳光下。
看起来像从…到。
二、知识点大汇总。
1、already(已经)和yet(还,仍)在现在完成时态中的用法。
already用于肯定句句中,位于助动之和行为动词之间;
yet用于否定句或问句句未。
tom has already finished his homework.
tom hasn’t finished his homework yet.
2、“忘记做某事” :forget to do sth. (事情未做)
forget doing sth. (事情已做。
don’t forget to turn off the lights. (灯还没关)
i forget turning off the lights. (灯已经关了)
3、数字单位的用法(hundred, thousand, million, billion)
表示具体数字时:数字+单位原形(hundred,thousand…)
表示模糊数字时:单位复数(hundreds,thousands…)+of
there are about one thousand students in our school.
millions of foreigners visit to china every year.
注:出现about,并不说明之后的数字是模糊数字。
4、keep的用法。
* keep sb./sth. +adj. “使某人/某物保持某种状态”
* keep doing sth. “一直做某事” (keep后的动词要用ing形式)
please keep the water warm. 请保持水的温度。
he kept doing his homework all the evening.
5、“由…制成” :be made of… (能看出原材料)
be made from… (看不出原材料。
desks are made of wood.
***** is made from wood.
6、表示附加的,额外的:(两种结构可相互转换)
another + 数字 + 名词。
数字 + more + 名词。
i need another two pens.
i need two more pens.
7、表示“也”的几个词的用法:
too: 用于肯定句未,常用逗号隔开。相当于as well (不用逗号)
either: 用于否定句未,常用逗号隔开。
also: 用于肯定句句中。(系/情态动词之后,行为动词之前。
三、重点句型小结。
1、would you like sth你想要些…吗?
would you like to do…? 你想做…吗?
would you please do…? 能请你做…吗?
2、it’s + adj. +for sb. +to do sth. “对于某人来说做某事怎么样”
it’s + adj. +of sb. +to do sth.
注:当adj.修饰to do sth.时,用介词for;
当adj.(如nice, kind, clever…)修饰sb.时,用介词of.
it’s easy for me to learn english.
对于我来说,学习英语很简单 (其中形容词修饰后面的不定式,用介词for)
it’s nice of you to help me. 你能帮助我,你真是太好了。(其中形容词修饰人you,用介词of)
四、语法知识小结。
现在完成时态的用法:
用法:表示过去所发生的事对现在造成的影响;
表示过去所发生的动作一直持续到现在,还将断续下去。
结构:h**e / has + 动词过去分词。
标志词:already, never , ever, yet, just, before等;还可以和for+时间段“,”since+时间点”,”since+时间段+ago”等时间状语连用。
五、关于植物的一些信息。
a plant has four main parts: flower, stem, leaf, roots.
roots bring water from ground, le**es make food, flowers make seeds, stem carries the water .
plants can help clean the air.
plants can be made into all kinds of things.
plants can stop wind and water from carrying the soil away.
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