大海捞针初中英语语法之条件句讲解 练习 答案

2021年1月13日发(作者：关咏荷)

初中英语语法之条件句讲解 练习 答案


【条件句】

（一） 真实条件句连接词条件从句结果从句IfIf + 主语 +
一般现在时一般将来时 ---表可能：If he runs, he’ll get
there on time、 may/ might/ can---允许/能力：If it stops
snowing, we can go out、must/ should---命令，请求，劝告：
If you want to lose weight, you must/ should eat less
bread、一般现在时---客观事实：If you heat ice, it turns
to water、
（二）虚拟条件句 虚拟语气表示一种假设的情况，或一种主
观 的愿望，即动词所表示的动作或状态并非事实，或不可能实
现。英语虚拟语气的形式有下列几种：
一、与现在事实相反 连接词条件从句结果从句IfIf + 主语
+ 一般过去时（be动词一般用were）主语+ should/would/
could/ might +动词原形如：If he had the time, John would
make a trip to China to see the Great Wall、If I were you,
I would give up drinking immediately(立即、立刻)、If I
didn’t have a cold, I would go to your birthday party、
二、与将来事实相反连接词条件从句结果从句IfIf + 主语 +
should/would/were to+动词原形主语+ should/would/ could/
might +动词原形如：If you should lose, what would you
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do?If I were to see her tomorrow, I would tell her the
truth、
三、与过去事实相反连接词条件从句结果从句IfIf +主语+过
去完成时（had+过去分 词）主语+should/would/could/might+
have+过去分词如：If I’d known that it was going to rain,
I would never have gone for a walk in the country、If I
hadn’t had a cold last week, I wouldn’t have missed
your birthday party、例题 ( )
1、I don’t know if it ______tomorrow、 If it
______,we won’t go on a picnic、
A、 rains;rains
B、 will rain;rains
C、 will rain;will rain( )
2、 In summer , food goes bad easily ________ it is
put in the refrigerator、
A、 until
B、 if
C、 unless( )
3、I hear Jack Chan will come to Laiwu next week、
Really? _______ he comes, my younger sister will be very
happy,
A、If
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B、Until
C、Unless
D、Before( )
4、 —Could we play football in your playground,
Sir ?No,_______ you have the principal’s note、
A、if
B、unless
C、because
D、since( )
5、 Many children like fried chicken _______it is
unhealthy food、
A、if
B、because
C、although( )
6、 All the students in Class5 will climb the
mountain if it _______ rain tomorrow、
A、 won’t
B、 don’t
C、 didn’t
D、 doesn’t( )7-Would you like to go bike riding
with us tomorrow?---Sure, ________ I am busy、
A、 since
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B、 unless
C、 when
D、 until( )
8、 I don’t like bread、 I won’t eat it ________ I
am very hungry、
A、 when
B、 unless
C、 if( )
9、 You’d better look up the new word in a
dictionary _____ you don’t know it、
A、 if
B、 that
C、 though
D、 whether( )
10、 After the meeting, we will have a party、 If you
_______ free, come and join us、
A、 are
B、 will be
C、 were练习 ( )
1、I’ll go for a walk with you if it ________
tomorrow、
A、 won’t rain
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