内容正文:
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学练优·八年级英语上(外研)
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单元语法专项
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1语法精讲
表示过去某一时间
标志词:
+一段时间,
+过去的某个时间点/从句。如:
开始并一直持续到
They have known each other since they were children.他们从小就认识。
用法及标志词
现在的动作或状态
表示过去发生或已经
标志词:since,.before,.already,yet,ever,never,just等。如:
完成的动作的结果或
I have already finished my homework.我已经完成作业了。
对现在造成的影响
时间状语:一
般过去时通常与表示明确过去的时间状语连用;现在完成时搭配
的时间状语较模糊。
现在完成时二
与一般过去
动作持续:一般过去时只表示动作发生在过去;现在完成时表示过去的动作
时的区别
或状态延续到现在并可能持续下去。
时间状
对现在完成时的时间状语提问,常用how long。如:How long have you played football?
语提问
表示持续的动作或状态时,动词需与表示时间段的时间状语连用;表示动作已经
完成时,动词不能与表示时间段的时间状语连用。如:Tom has been here for two
hours.(正确);Tom has come.(come为瞬间动作,不与时间段连用)
注意事项
除持续动作或状态外,现在完成时还表示到目前为止的累积。如:I have learned
20 English songs.
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11语法精练10
I.根据语境,用括号内单词的正确形式填空。
1.-
(have)Wei Hua
(come)yet?
-Yes,she
(come)already.She
(come)just now.
2.1
(not see)my grandma since we
met in the last summer camp.I miss her.
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3.Sally (forget)where she had left the car
and the police found it this morning.
4.新课标传统文化The school
(offer)
wushu classes since last term,
5.1
(move)to China three months ago and this
is the first time that I've tried on han fu.
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6.(2024·牡丹江改编)一Vould you like something
to eat,Mr Song?
-No,thanks.I'm not hungry.I (eat)
some zongzi already.
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Ⅱ.根据语境,从方框中选择单词填空。有一个
为多余单词。
ago
for
since
already just
yet
1.I met Tom half an hour
2.Jenny hasn't finished her homework
3.My grandparents have
arrived at the train
station.
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4.Jack and I have been friends
we met in
primary school.
5.My mother has been an English teacher twenty
years,
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Ⅲ.按要求完成句子,每空一词。
1.Miss Gao has taught in the school for 5 years.
画线部分提问)
Miss Gao taught in the school?
2.They have already planned the weekend trip.
(改为否定句)
They
the weekend trip
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3.Tom left here two days ago.(改为同义句)
Tom
from here for two days.
4.Uncle Wang bought the car three years ago.
(改为同义句)
Uncle Wang
the car for three years.