标签:简明语法 相关文章
1)过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。 2)过去
Since 用来说明动作起始时间,for用来说明动作延续时间长度。 I have lived here for more than twenty years. I have lived here since I was born.. My aunt has worked in a clinic sinc
1) 事实状态的动词 have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue I have two brothers. This house belongs to my sister. 2) 心理状态的动词 Know
___________________________________________________ 情况 构成方法 读音 例词 __________________________________________________ 一般情况 加 -s 1. 清辅音后读 /s/; map-maps 2. 浊辅音
1)can could 表示能力;可能 (过去时用could), 只用于现在式和过去式(could)。be able to可以用于各种时态。 They will be able to tell you the news soon. 他很快就能告诉你
这些词都可用作代词或形容词。其位置都在be 动词之后,行为动词之前或第一助动词之后。 1) both (两者都),either(两者中任何一个), neither (两者都不)。以
1)不定代词有 all , both, every, each, either, neither, more, little, few, much, many, another, other, some, any , one, no 以及some, something, anything, everything, somebody, someone, anybody
时间状语从句,条件句中,从句用一般现在时代替将来时 When, while, before, after, till, once, as soon as, so long as, by the time, if, in case (that), unless, even if, whether, t
1) 不定冠词位置 不定冠词常位于名词或名词修饰语前。注意: a. 位于下列形容词之后: such,what,many,half, I have never seen such an animal. Many a man is fit fo
1) 两词都是'必须'的意思,have to 表示客观的需要, must 表示说话人主观上的看法,既主观上的必要。 My brother was very ill, so I had to call the doctor in the middle
这两词既可做实义动词用,又可做情态动词用。作为情态动词,两者都只能用于疑问句,否定句和条件句。 need 作实义动词时后面的不定式必须带to,而