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河北教育出版社六年级下册英语一年级起点重点语法
知识
比较过去时与现在完成时:
(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)过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。 一般过去时的时间状语:
yesterday, last week, ago, in1980, in October, just now, 具体的时间状语 共同的时间状语:
this morning, tonight,this April, now, once,before, already, recently,lately
现在完成时的时间状语
for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always 不确定的时间状语
(3)现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know.
过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等。
不定代词:
some, any, no, every
-thing: something, anything, nothing, everything -one: someone, anyone, anything, everyone
-where: somewhere, anywhere, anywhere, everywhere -body: somebody, anybody, nobody, everybody 例子:
(1)Help! Somebody? Anybody? (2)Where did you go? I went nowhere. (3)Nobody is at home.
(4)You are really something.
(5)I looked for my book everywhere, but I cant find it anywhere.
(6)If you want to go somewhere, if you want to be someone, you must wake up.
(7)Since everybody is here, lets begin our class.
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